US20140064868A1 - Shelf pin hole jig - Google Patents
Shelf pin hole jig Download PDFInfo
- Publication number
- US20140064868A1 US20140064868A1 US14/074,476 US201314074476A US2014064868A1 US 20140064868 A1 US20140064868 A1 US 20140064868A1 US 201314074476 A US201314074476 A US 201314074476A US 2014064868 A1 US2014064868 A1 US 2014064868A1
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- US
- United States
- Prior art keywords
- main body
- pin hole
- shelf pin
- hole jig
- shelf
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/02—Boring templates or bushings
- B23B49/023—Bushings and their connection to the template
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
- B23B47/287—Jigs for drilling plate-like workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/02—Boring templates or bushings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
- B25H3/003—Holders for drill bits or the like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/03—Processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
- Y10T408/567—Adjustable, tool-guiding jig
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
- Y10T408/569—Bushing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/96—Miscellaneous
- Y10T408/97—Drill bushings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/96—Miscellaneous
- Y10T408/98—Drill guide
Definitions
- This invention is directed towards a wood working jig. More particularly and without limitation, this invention is directed towards a wood working jig for making shelf holes.
- Common shelving systems are made of wood, pressboard, plywood or other composite materials and are manufactured by screwing an opposing top and bottom to opposing sidewalls so as to form a frame. Once this frame is assembled the shelves are then glued and screwed in place. While this manufacturing method produces a sturdy and rigid shelving system the shelves are permanently affixed and therefore can not be easily moved.
- shelf pin hole systems were developed. These systems utilize a plurality of shelf pin holes which are drilled into the interior surface of the opposing sidewalls. Most often, these shelf pin holes are drilled at varying heights in two columns on each sidewall, each column spaced inwardly from the respective front and back edge of the sidewall.
- a user selects a height for the shelf and inserts a shelf pin into each of the four corresponding shelf pin holes for that height.
- the shelf pin holes matingly and frictionally receive the shelf pins which partially extend outwardly from the shelf pin holes.
- the shelf is then placed on top of the outwardly extending shelf pins thereby providing support in each corner of the shelf.
- This system allows the user to vary the spacing of the shelves by simply selecting a different row of shelf pin holes.
- a common conventional shelf pin hole jig comprises a flat piece of plastic or composite material having a plurality of holes spaced therein. This flat device is then laid against the interior surface of the sidewall of the shelving system and a shelf pin bit is used to drill the shelf pin holes. While somewhat effective, problems exist in this process. First, the conventional shelf pin hole jig which comprises merely of a flat body is difficult to properly and accurately align and the jig provides very little guidance for the drill bit which makes it difficult to properly place the hole shelf pin hole, and easy to angularly misalign the shelf pin hole. In addition, these jigs require the use of a specially designed, complex, expensive and difficult to use shelf pin bit that has multiple moving parts. Using these shelf pin bits is undesirable as they often can break or malfunction because of wood chips getting stuck in the moving parts of the bit. In addition, these shelf pin bits are long in length which is also undesirable as many times space is limited when drilling shelf pin holes.
- an objective of the invention is to provide a shelf pin hole jig that is more easily and accurately aligned than conventional jigs.
- Another objective of the invention is to provide a shelf pin hole jig that allows for easier and more accurate alignment of the shelf pin hole itself.
- Another objective of the invention is to provide a shelf pin hole jig that is more economical than prior art jigs.
- a shelf pin hole jig for drilling shelf pin holes having a main body and an alignment member removably connected to the main body for aligning the jig.
- the main body has a plurality of guide channels with hardened guide inserts for receiving and guiding a drill bit with a stop collar.
- Removably connected to either side of the main body is an alignment member which extends below the main body and is used for alignment of the jig.
- the main body also has a plurality of compartments for holding drill bits and alignment pins.
- FIG. 1 is a perspective blown up view of two shelf pin hole jigs in end to end alignment
- FIG. 2 is a plan view of the bottom of a shelf pin hole jig
- FIG. 3 is a plan view of the side of a blown up shelf pin hole jig.
- FIG. 4 is a perspective view of a blown up shelf pin hole jig.
- a shelf pin hole jig 10 has a main body 12 .
- Main body 12 has a top side 14 , a bottom side 16 , opposing side surfaces 18 and opposing first and second ends 20 .
- main body 12 takes on a generally rectangular shape with opposing side surfaces 18 and opposing first and second ends 20 being in parallel spaced alignment with one another; with side surfaces 18 being in perpendicular alignment with first and second ends 20 .
- side surfaces 18 and ends 20 are generally straight and flat so as to assist with easy alignment with work pieces however any other shape is contemplated.
- main body 12 is formed out of an injection molded plastic, thermoplastic or other composite material or the like material.
- main body 12 is formed or machined out of a solid piece of material such as a metal, plastic or like material.
- Each guide channel 22 extends through main body 12 in perpendicular alignment with the top surface 14 and bottom surface 16 .
- the bottom edge of each guide channel 22 is generally flush with, or within a close tolerance of, bottom surface 16 of the main body 12 so as to improve the quality of a drilled hole and prevent hole tear-out.
- the top edge of each guide channel 22 extends outwardly and above the top 14 surface of main body 12 .
- the plurality of guide channels 22 extend in parallel spaced alignment with side surfaces 18 and extend from first end to second end 20 of main body 12 .
- Each channel 22 has a hardened metallic guide insert 24 having a central bore 26 which is cylindrical in shape.
- the top edge of each guide insert 24 terminates in a shelf or lip 27 which extends outwardly in perpendicular alignment to central bore 26 as does the bottom edge of guide insert 24 .
- Lip 27 provides an extended stop surface so as to engage and stop a stop collar on a drill bit positioned within bore 26 .
- the bottom edge of guide insert assists in drilling a clean hole by having an extended surface in contact with or in close tolerances of the work piece.
- the center of the bore 26 of guide channels 22 are positioned in equal spacing to one another, such as 1-inch apart. However in an alternative arrangement spacing of the guide channels 22 varies. Also in a preferred embodiment guide channels 22 are positioned more closely to one of the side surfaces 18 than they are the other.
- Each guide insert 24 is connected to the main body 14 by supporting material 28 which surrounds and holds the guide insert 24 in place as well as provides required structural integrity to the device 10 .
- the top edge and bottom edge of the guide inserts 24 and supporting material 28 are in parallel alignment thereby providing an extended stop surface 27 .
- support members 30 extend outwardly from support material 28 which further connect support material 28 and guide channel 22 to main body 12 .
- These support members 30 are located on both the top surface 14 and the bottom surface 16 and preferably extend outwardly from the guide channel 22 in perpendicular alignment to one another.
- Preferably four support members 30 extend out of each guide channel 22 however more support members 30 , such as 5, 6 or more are contemplated as are less support members 30 such as 3, 2 or 1.
- Alignment member 34 is generally rectangular in shape and preferably extends the length of side surface 18 of main body 12 and when in locked position the ends 20 of alignment member 34 are flush with the ends 20 of main body 12 .
- Alignment member 34 is preferably connected to the bottom side 16 of main body 12 however alignment member is attached to the side surface 18 or any other portion of main body 12 in other arrangements.
- Alignment member 34 has a flat bottom surface 36 , a flat interior edge or alignment edge 38 and a top surface 40 having a plurality of extension members 42 extending upwardly therefrom.
- each guide channel 22 is positioned 1-inch inward from alignment edge 38 on one side of main body 12 , and 2-inches inward from alignment edge 38 on the opposing side of main body 12 .
- guide channels 22 extend down the center of main body 12 or at any other spacing in relation to opposing side surfaces 18 .
- Extension members 42 preferably are narrower than alignment member 34 and are preferably rectangular in shape and are in spaced alignment with one another.
- a snap locking feature 44 Connected to the extension members 42 is a snap locking feature 44 which is used to connect alignment member 34 to main body. Any locking feature capable of connecting one device to another is contemplated such as snapping members, frictionally engaging members, screws, nuts and bolts, or the like.
- locking feature 44 has a circular disk 46 connected to the top of a narrower support column 48 . Locking members 44 are preferably positioned towards one end of each extension member 42 , or alternatively every other extension member 42 .
- Locking channels 50 Extending along each side surface 18 of main body 12 are locking channels 50 .
- Locking channels 50 have a plurality of recesses 52 positioned in the bottom side 16 of main body 12 which are of any size and shape to matingly and frictionally receive extension members 42 .
- recesses 52 are similarly rectangular in shape.
- the top side 14 of locking channels 50 also have recesses 52 positioned therein which correspond to the recesses positioned in the bottom side 16 of the main body 12 .
- the recesses 52 in the top side 14 provide needed space for the locking member 44 to slide into place unimpeded by a user's hand when assembling the device.
- key hole 54 Positioned in the top surface of recesses 52 is a key hole 54 which is sized and shaped to receive snap locking feature 44 . Like locking feature 44 , keyhole 54 is positioned towards one end of each recess 52 so as to match the placement of locking feature 44 . In a preferred embodiment, key hole 54 has a first opening 56 which is connected to a narrower second opening 58 . First opening 56 is sized to allow disk 46 to pass therethrough, whereas second opening 58 is sized to frictionally and lockingly receive support column 48 but not allow disk 46 to pass therethrough. In this way, key hole 54 lockingly retains snap locking feature 44 in place.
- main body 12 Also positioned on the bottom side 16 of main body 12 are a plurality of compartments 60 or holding and retaining tools and other objects which are used in the shelf pin hole drilling process. Any number of compartments 60 are used, each compartment 60 having a cover 62 which is removably placed over compartment 60 so as to hold the contents therein. Cover 62 preferably is flush with or does not extend beyond the bottom plane 16 of main body 12 . Cover 62 has rotating paddle 64 which is connected to main body 12 and frictionally held in place by way of locking screw 66 . Rotating paddle 64 rotates between a first position where objects are removable and replaceable within the compartment and a second position where rotating paddle 64 covers compartment 60 thereby holding objects therein. As one example, main body 12 has a first compartment 68 which is generally rectangular in shape.
- First compartment 68 has at least one and preferably two cradles 70 extending across compartment 68 .
- Each cradle 70 has a semi-circular cut-out positioned therein so as to matingly receive, retain and hold relocation pin member 72 in place.
- main body 12 has a second compartment 74 which has a first section 76 which receives a shaft section of straight drill bit 78 , and a second section 80 which receives a stop collar 82 connected to straight drill bit 78 .
- main body 12 has a third compartment 84 which has a first section 76 which receives a shaft section of a stepped drill bit 86 , and a second section 80 which receives a stop collar 82 connected to stepped drill bit 86 .
- the compartments preferably contain a relocation pin member 72 , a straight drill bit 78 having a stop collar 82 and a stepped drill bit 86 having a stop collar 82 .
- a relocation pin member 72 There are two most common sizes of shelf hole pins, 1 ⁇ 4 inch and the smaller 5 mm.
- the main shaft section of relocation pin member 72 , straight drill bit 78 and stepped drill bit 86 match the larger 1 ⁇ 4 inch diameter, which also preferably matches the diameter of bore 26 of guide channels 22 within a close tolerance.
- Relocation pin 72 and stepped drill bit 86 each have a step 90 wherein the shaft transitions from 1 ⁇ 4 inch to the narrower 5 mm format.
- a connecting member 92 is connected to the bottom side 16 of each end 20 of main body 12 and extends outwardly from end 20 so as to connect two main bodies 12 in end to end relation.
- Connecting member 92 is any size and shape capable of facilitating the connection of two main bodies 12 in end to end relation. However, in a preferred embodiment, connecting member 92 is rectangular in shape and is matingly received by notch 94 positioned within end 20 . When in position, connecting member 92 is flush with the bottom surface 16 of main body 12 .
- Connecting member 92 is removably and replaceably connected to main body 12 by any means known in the art such as a snap fit, screws or the like, however a plurality of locking pins 96 which pass through connecting member 92 and are received by main body 12 are preferably used. In this way two main bodies 12 are connected in end to end relation through the use of connecting member 92 .
- the user determines whether the user wants the setting where the shelf pin holes are closer to the edge of the workpiece or farther from the edge of the work piece. Based on this determination the user selects a side 18 of main body 12 to attach alignment member 34 . This is accomplished by inserting the extension members 42 of alignment member 34 into the corresponding recesses 52 of locking channel 50 . The user then inserts disk 46 of snap locking feature 44 through the larger first opening 56 of the key hole 54 . Once this is accomplished, the user slides the alignment member 44 towards the smaller second opening 58 until the snap locking feature 44 is locked, or snapped into place. When doing so, alignment member 44 is locked in place by key hole 54 as the second opening 58 frictionally holds support column 48 and prevents disk 46 from passing therethrough. When in place, ends 20 of the alignment member 44 is flush with ends 20 of main body 12 .
- the user sets the bottom surface 16 of main body 12 on the workpiece and aligns the interior edge 38 of alignment member 34 along the edge of the workpiece so that both the bottom surface 16 of main body 12 and interior edge 38 of alignment member 34 are in flush contact with the workpiece. If using an existing shelf pin hole to align the jig 10 , the user then inserts relocation pin member 72 through the bore 26 of a guide channel 22 .
- Whether the user inserts the stepped end 90 non-stepped end of the relocation pin member 72 depends on the size of the existing shelf pin hole. Once properly aligned, the user drills the desired shelf pin holes. To do so, the user selects whether to use the straight drill bit 78 or the stepped drill bit 86 . Once the proper drill bit is selected and installed on a drill motor, the user drills the shelf pin hole by passing the drill bit 78 , 86 through each of the guide channels 22 until the stop collar 82 engages the top surface of guide channel 22 , or lip 27 .
- the depth of the shelf pin hole is set by the combination of the stop collar 82 , the length of the shaft 88 and the length of the guide channel 22 .
- the stop collar 82 is either permanently affixed to the shaft 88 of drill bit 78 , 86 thereby setting the length of shaft 88 ; alternatively, stop collar 82 is adjustable on shaft 88 .
- stop collar 82 is held in place by an adjustable locking mechanism (not shown) such as a locking screw or a plurality of locking screws, or the like, that pass through the stop collar 82 and engage the shaft 88 thereby adjustably setting the depth of the shelf pin hole.
- the depth can easily be set using the shelf pin hole jig 10 by placing the drill bit 78 , 86 into a compartment 68 , 74 and adjusting the stop collar 82 to be positioned within second section 80 with shaft 88 held within cradle 70 . Due to the close tolerances of compartments 68 , 74 , once shaft 88 is positioned within cradle 70 and stop collar 82 is positioned within second section 80 the depth of the stop collar 82 is matched to the shelf pin hole jig 10 and more specifically to the length of channels 22 . Once in this position the stop collar 82 is locked in place on shaft 88 in its optimal position.
- the user attaches two shelf pin hole jigs 10 in end to end relation through the use of connecting member 92 .
- the user inserts connecting member 92 into notch 94 on the bottom side 16 of main body 12 .
- the user then inserts locking pins, screws, bolts or the like 96 through connecting member 92 and into main body 12 thereby locking connecting member 92 to the first main body.
- This process is then repeated for the second main body 12 .
- This results in a pair of main bodies 12 being aligned and connected in end-to-end relation which allows a user to drill an extended array of shelf pin holes without having to relocate the jig 10 .
Abstract
A shelf pin hole jig for drilling shelf pin holes having a main body and an alignment member removably connected to the main body for aligning the jig. The main body has a plurality of guide channels with hardened guide inserts for receiving and guiding a drill bit with a stop collar. Removably connected to either side of the main body is an alignment member which extends below the main body and is used for alignment of the jig. The main body also has a plurality of compartments for holding drill bits and alignment pins.
Description
- This invention is directed towards a wood working jig. More particularly and without limitation, this invention is directed towards a wood working jig for making shelf holes.
- Various shelving systems are old and well known in the art. Common shelving systems are made of wood, pressboard, plywood or other composite materials and are manufactured by screwing an opposing top and bottom to opposing sidewalls so as to form a frame. Once this frame is assembled the shelves are then glued and screwed in place. While this manufacturing method produces a sturdy and rigid shelving system the shelves are permanently affixed and therefore can not be easily moved.
- To allow for variable shelf spacing, shelf pin hole systems were developed. These systems utilize a plurality of shelf pin holes which are drilled into the interior surface of the opposing sidewalls. Most often, these shelf pin holes are drilled at varying heights in two columns on each sidewall, each column spaced inwardly from the respective front and back edge of the sidewall. To position a shelf using this system, a user selects a height for the shelf and inserts a shelf pin into each of the four corresponding shelf pin holes for that height. The shelf pin holes matingly and frictionally receive the shelf pins which partially extend outwardly from the shelf pin holes. The shelf is then placed on top of the outwardly extending shelf pins thereby providing support in each corner of the shelf. This system allows the user to vary the spacing of the shelves by simply selecting a different row of shelf pin holes.
- Manufacturers of shelving systems often drill these shelf pin holes into the interior surfaces of the sidewalls as part of the manufacturing process. While this is convenient, many times additional shelf pin holes are necessary or desired, such as in the case of an existing shelf pin tearing-out, or when the pattern of shelf pin holes are not at the desired location. To assist in drilling these additional shelf pin holes, various shelf pin hole jigs have been developed.
- A common conventional shelf pin hole jig comprises a flat piece of plastic or composite material having a plurality of holes spaced therein. This flat device is then laid against the interior surface of the sidewall of the shelving system and a shelf pin bit is used to drill the shelf pin holes. While somewhat effective, problems exist in this process. First, the conventional shelf pin hole jig which comprises merely of a flat body is difficult to properly and accurately align and the jig provides very little guidance for the drill bit which makes it difficult to properly place the hole shelf pin hole, and easy to angularly misalign the shelf pin hole. In addition, these jigs require the use of a specially designed, complex, expensive and difficult to use shelf pin bit that has multiple moving parts. Using these shelf pin bits is undesirable as they often can break or malfunction because of wood chips getting stuck in the moving parts of the bit. In addition, these shelf pin bits are long in length which is also undesirable as many times space is limited when drilling shelf pin holes.
- Therefore, an objective of the invention is to provide a shelf pin hole jig that is more easily and accurately aligned than conventional jigs.
- Another objective of the invention is to provide a shelf pin hole jig that allows for easier and more accurate alignment of the shelf pin hole itself.
- Another objective of the invention is to provide a shelf pin hole jig that is more economical than prior art jigs.
- These and other objectives will be apparent to those skilled in the art from the following description, drawing and claims.
- A shelf pin hole jig for drilling shelf pin holes having a main body and an alignment member removably connected to the main body for aligning the jig. The main body has a plurality of guide channels with hardened guide inserts for receiving and guiding a drill bit with a stop collar. Removably connected to either side of the main body is an alignment member which extends below the main body and is used for alignment of the jig. The main body also has a plurality of compartments for holding drill bits and alignment pins.
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FIG. 1 is a perspective blown up view of two shelf pin hole jigs in end to end alignment; -
FIG. 2 is a plan view of the bottom of a shelf pin hole jig; -
FIG. 3 is a plan view of the side of a blown up shelf pin hole jig; and -
FIG. 4 is a perspective view of a blown up shelf pin hole jig. - With reference to the figures, a shelf
pin hole jig 10 has amain body 12.Main body 12 has atop side 14, abottom side 16, opposingside surfaces 18 and opposing first andsecond ends 20. In a preferred embodiment,main body 12 takes on a generally rectangular shape withopposing side surfaces 18 and opposing first andsecond ends 20 being in parallel spaced alignment with one another; withside surfaces 18 being in perpendicular alignment with first andsecond ends 20. In a preferredembodiment side surfaces 18 andends 20 are generally straight and flat so as to assist with easy alignment with work pieces however any other shape is contemplated. Preferablymain body 12 is formed out of an injection molded plastic, thermoplastic or other composite material or the like material. Alternatively,main body 12 is formed or machined out of a solid piece of material such as a metal, plastic or like material. - Extending through
main body 12 fromtop side 14 tobottom side 16 is a plurality of guide channels 22. Each guide channel 22 extends throughmain body 12 in perpendicular alignment with thetop surface 14 andbottom surface 16. The bottom edge of each guide channel 22 is generally flush with, or within a close tolerance of,bottom surface 16 of themain body 12 so as to improve the quality of a drilled hole and prevent hole tear-out. In contrast, the top edge of each guide channel 22 extends outwardly and above the top 14 surface ofmain body 12. The plurality of guide channels 22 extend in parallel spaced alignment withside surfaces 18 and extend from first end tosecond end 20 ofmain body 12. - Each channel 22 has a hardened metallic guide insert 24 having a central bore 26 which is cylindrical in shape. The top edge of each guide insert 24 terminates in a shelf or
lip 27 which extends outwardly in perpendicular alignment to central bore 26 as does the bottom edge of guide insert 24.Lip 27 provides an extended stop surface so as to engage and stop a stop collar on a drill bit positioned within bore 26. Similarly the bottom edge of guide insert assists in drilling a clean hole by having an extended surface in contact with or in close tolerances of the work piece. In a preferred embodiment, the center of the bore 26 of guide channels 22 are positioned in equal spacing to one another, such as 1-inch apart. However in an alternative arrangement spacing of the guide channels 22 varies. Also in a preferred embodiment guide channels 22 are positioned more closely to one of theside surfaces 18 than they are the other. - Each
guide insert 24 is connected to themain body 14 by supportingmaterial 28 which surrounds and holds the guide insert 24 in place as well as provides required structural integrity to thedevice 10. In one embodiment, the top edge and bottom edge of the guide inserts 24 and supportingmaterial 28 are in parallel alignment thereby providing an extendedstop surface 27. To further add rigidity, supportmembers 30 extend outwardly fromsupport material 28 which further connectsupport material 28 and guide channel 22 tomain body 12. Thesesupport members 30 are located on both thetop surface 14 and thebottom surface 16 and preferably extend outwardly from the guide channel 22 in perpendicular alignment to one another. Preferably foursupport members 30 extend out of each guide channel 22 howevermore support members 30, such as 5, 6 or more are contemplated as areless support members 30 such as 3, 2 or 1. - Removably connected to main body is
alignment member 34.Alignment member 34 is generally rectangular in shape and preferably extends the length ofside surface 18 ofmain body 12 and when in locked position theends 20 ofalignment member 34 are flush with theends 20 ofmain body 12.Alignment member 34 is preferably connected to thebottom side 16 ofmain body 12 however alignment member is attached to theside surface 18 or any other portion ofmain body 12 in other arrangements.Alignment member 34 has aflat bottom surface 36, a flat interior edge oralignment edge 38 and atop surface 40 having a plurality ofextension members 42 extending upwardly therefrom. In one embodiment the center of bore 26 of each guide channel 22 is positioned 1-inch inward fromalignment edge 38 on one side ofmain body 12, and 2-inches inward fromalignment edge 38 on the opposing side ofmain body 12. In an alternative arrangement guide channels 22 extend down the center ofmain body 12 or at any other spacing in relation to opposing side surfaces 18.Extension members 42 preferably are narrower thanalignment member 34 and are preferably rectangular in shape and are in spaced alignment with one another. - Connected to the
extension members 42 is asnap locking feature 44 which is used to connectalignment member 34 to main body. Any locking feature capable of connecting one device to another is contemplated such as snapping members, frictionally engaging members, screws, nuts and bolts, or the like. In one example, lockingfeature 44 has acircular disk 46 connected to the top of a narrower support column 48. Lockingmembers 44 are preferably positioned towards one end of eachextension member 42, or alternatively everyother extension member 42. - Extending along each
side surface 18 ofmain body 12 are lockingchannels 50. Lockingchannels 50 have a plurality ofrecesses 52 positioned in thebottom side 16 ofmain body 12 which are of any size and shape to matingly and frictionally receiveextension members 42. As one example, ifextension members 42 are rectangular in shape, recesses 52 are similarly rectangular in shape. In addition, thetop side 14 of lockingchannels 50 also haverecesses 52 positioned therein which correspond to the recesses positioned in thebottom side 16 of themain body 12. Therecesses 52 in thetop side 14 provide needed space for the lockingmember 44 to slide into place unimpeded by a user's hand when assembling the device. - Positioned in the top surface of
recesses 52 is akey hole 54 which is sized and shaped to receivesnap locking feature 44. Like lockingfeature 44,keyhole 54 is positioned towards one end of eachrecess 52 so as to match the placement of lockingfeature 44. In a preferred embodiment,key hole 54 has afirst opening 56 which is connected to a narrowersecond opening 58. First opening 56 is sized to allowdisk 46 to pass therethrough, whereassecond opening 58 is sized to frictionally and lockingly receive support column 48 but not allowdisk 46 to pass therethrough. In this way,key hole 54 lockingly retainssnap locking feature 44 in place. - Also positioned on the
bottom side 16 ofmain body 12 are a plurality ofcompartments 60 or holding and retaining tools and other objects which are used in the shelf pin hole drilling process. Any number ofcompartments 60 are used, eachcompartment 60 having acover 62 which is removably placed overcompartment 60 so as to hold the contents therein.Cover 62 preferably is flush with or does not extend beyond thebottom plane 16 ofmain body 12.Cover 62 has rotatingpaddle 64 which is connected tomain body 12 and frictionally held in place by way of lockingscrew 66. Rotatingpaddle 64 rotates between a first position where objects are removable and replaceable within the compartment and a second position whererotating paddle 64covers compartment 60 thereby holding objects therein. As one example,main body 12 has afirst compartment 68 which is generally rectangular in shape. -
First compartment 68 has at least one and preferably twocradles 70 extending acrosscompartment 68. Eachcradle 70 has a semi-circular cut-out positioned therein so as to matingly receive, retain and holdrelocation pin member 72 in place. As another example,main body 12 has asecond compartment 74 which has afirst section 76 which receives a shaft section ofstraight drill bit 78, and asecond section 80 which receives astop collar 82 connected tostraight drill bit 78. As another example,main body 12 has athird compartment 84 which has afirst section 76 which receives a shaft section of a steppeddrill bit 86, and asecond section 80 which receives astop collar 82 connected to steppeddrill bit 86. - The compartments preferably contain a
relocation pin member 72, astraight drill bit 78 having astop collar 82 and a steppeddrill bit 86 having astop collar 82. There are two most common sizes of shelf hole pins, ¼ inch and the smaller 5 mm. To facilitate the use of shelfpin hole jig 10 with both sizes of common shelf hole pins, the main shaft section ofrelocation pin member 72,straight drill bit 78 and steppeddrill bit 86 match the larger ¼ inch diameter, which also preferably matches the diameter of bore 26 of guide channels 22 within a close tolerance. This close tolerance of the shafts of thesedevices drill bits relocation pin member 72 thereby forming a more accurate shelf pin hole.Relocation pin 72 and steppeddrill bit 86 each have astep 90 wherein the shaft transitions from ¼ inch to the narrower 5 mm format. - A connecting
member 92 is connected to thebottom side 16 of eachend 20 ofmain body 12 and extends outwardly fromend 20 so as to connect twomain bodies 12 in end to end relation. Connectingmember 92 is any size and shape capable of facilitating the connection of twomain bodies 12 in end to end relation. However, in a preferred embodiment, connectingmember 92 is rectangular in shape and is matingly received bynotch 94 positioned withinend 20. When in position, connectingmember 92 is flush with thebottom surface 16 ofmain body 12. Connectingmember 92 is removably and replaceably connected tomain body 12 by any means known in the art such as a snap fit, screws or the like, however a plurality of lockingpins 96 which pass through connectingmember 92 and are received bymain body 12 are preferably used. In this way twomain bodies 12 are connected in end to end relation through the use of connectingmember 92. - In operation, the user determines whether the user wants the setting where the shelf pin holes are closer to the edge of the workpiece or farther from the edge of the work piece. Based on this determination the user selects a
side 18 ofmain body 12 to attachalignment member 34. This is accomplished by inserting theextension members 42 ofalignment member 34 into the correspondingrecesses 52 of lockingchannel 50. The user then insertsdisk 46 ofsnap locking feature 44 through the largerfirst opening 56 of thekey hole 54. Once this is accomplished, the user slides thealignment member 44 towards the smallersecond opening 58 until thesnap locking feature 44 is locked, or snapped into place. When doing so,alignment member 44 is locked in place bykey hole 54 as thesecond opening 58 frictionally holds support column 48 and preventsdisk 46 from passing therethrough. When in place, ends 20 of thealignment member 44 is flush with ends 20 ofmain body 12. - Next, the user sets the
bottom surface 16 ofmain body 12 on the workpiece and aligns theinterior edge 38 ofalignment member 34 along the edge of the workpiece so that both thebottom surface 16 ofmain body 12 andinterior edge 38 ofalignment member 34 are in flush contact with the workpiece. If using an existing shelf pin hole to align thejig 10, the user then insertsrelocation pin member 72 through the bore 26 of a guide channel 22. - Whether the user inserts the stepped
end 90 non-stepped end of therelocation pin member 72 depends on the size of the existing shelf pin hole. Once properly aligned, the user drills the desired shelf pin holes. To do so, the user selects whether to use thestraight drill bit 78 or the steppeddrill bit 86. Once the proper drill bit is selected and installed on a drill motor, the user drills the shelf pin hole by passing thedrill bit stop collar 82 engages the top surface of guide channel 22, orlip 27. - The depth of the shelf pin hole is set by the combination of the
stop collar 82, the length of theshaft 88 and the length of the guide channel 22. Thestop collar 82 is either permanently affixed to theshaft 88 ofdrill bit shaft 88; alternatively, stopcollar 82 is adjustable onshaft 88. When stopcollar 82 is adjustable onshaft 88, stopcollar 82 is held in place by an adjustable locking mechanism (not shown) such as a locking screw or a plurality of locking screws, or the like, that pass through thestop collar 82 and engage theshaft 88 thereby adjustably setting the depth of the shelf pin hole. The depth can easily be set using the shelfpin hole jig 10 by placing thedrill bit compartment stop collar 82 to be positioned withinsecond section 80 withshaft 88 held withincradle 70. Due to the close tolerances ofcompartments shaft 88 is positioned withincradle 70 and stopcollar 82 is positioned withinsecond section 80 the depth of thestop collar 82 is matched to the shelfpin hole jig 10 and more specifically to the length of channels 22. Once in this position thestop collar 82 is locked in place onshaft 88 in its optimal position. - Accuracy of the angle of the shelf pin hole is maintained by close tolerances between the guide channel 22 and the shaft of each of the
relocation pin member 72, thestraight drill bit 78, and the steppeddrill bit 86; this is true even when drilling shelf pin holes that are smaller than the bore 26 of the guide channels 22 through the use of the steppedrelocation pin member 72 and the steppeddrill bit 86. That is, while the portion of thepin 72 ordrill bit 86 that actually goes into the shelf pin hole may be smaller than the bore 26, the portion of thepin 72 ordrill bit 86 that engages the bore 26 of guide channel 22 is within close tolerances thereof, thereby tightly and accurately controlling the placement of the shelf pin hole. - In another arrangement, should the user need additional shelf pin holes, the user attaches two shelf pin hole jigs 10 in end to end relation through the use of connecting
member 92. In this arrangement, the userinserts connecting member 92 intonotch 94 on thebottom side 16 ofmain body 12. The user then inserts locking pins, screws, bolts or the like 96 through connectingmember 92 and intomain body 12 thereby locking connectingmember 92 to the first main body. This process is then repeated for the secondmain body 12. This results in a pair ofmain bodies 12 being aligned and connected in end-to-end relation which allows a user to drill an extended array of shelf pin holes without having to relocate thejig 10. - From the foregoing description it is apparent that a shelf pin hole jig is presented that is more easily and accurately aligned than conventional jigs, and does not require the use of a complicated shelf pin bit with multiple moving parts, as well as meeting other goals and objectives.
- It will be appreciated by those skilled in the art that other various modifications could be made to the device without parting from the spirit and scope of this invention. All such modifications and changes fall within the scope of the claims and are intended to be covered thereby.
Claims (33)
1-17. (canceled)
18. A shelf pin hole jig for drilling shelf pin holes comprising:
a main body having a top side and a bottom side;
an alignment member connected to the main body;
the main body having a plurality of guide channels which extend through the main body;
wherein the plurality of guide channels have a top edge and a bottom edge;
wherein the top edge of the plurality of guide channels extend above the top side of the main body a distance.
19. The shelf pin hole jig of claim 18 wherein the bottom edge of the plurality of guide channels is positioned in approximate flush alignment with the bottom side of the main body to improve quality of the drilled hole and prevent tear-out.
20. The shelf pin hole jig of claim 18 wherein the plurality of guide channels are positioned in a straight row along the main body.
21. The shelf pin hole jig of claim 18 wherein the plurality of guide channels include a hardened metallic insert having a central bore.
22. The shelf pin hole jig of claim 18 wherein the plurality of guide channels include a hardened metallic insert having a central bore and a lip positioned adjacent the top edge that serves as an extended stop surface.
23. The shelf pin hole jig of claim 18 wherein the plurality of guide channels include a hardened metallic insert having a central bore and a lip positioned adjacent the bottom edge that serves as an extended surface that prevents tear-out.
24. The shelf pin hole jig of claim 18 further comprising a plurality of support members connected to the guide channels.
25. The shelf pin hole jig of claim 18 further comprising a compartment in the main body.
26. The shelf pin hole jig of claim 18 wherein the alignment member is removably connectable to a first lateral side and a second lateral side of the main body.
27. A shelf pin hole jig for drilling shelf pin holes comprising:
a main body having a top side and a bottom side;
an alignment member connected to the main body;
the main body having a plurality of guide channels which extend through the main body;
wherein the plurality of guide channels have a top edge and a bottom edge;
wherein the plurality of guide channels include a hardened insert having a central bore;
wherein hardened inserts are formed of a metallic material;
wherein the main body is formed of a material selected from the group consisting of a plastic, a thermoplastic or a composite.
28. The shelf pin hole jig of claim 27 wherein the bottom edge of the plurality of guide channels is positioned in approximate flush alignment with the bottom side of the main body to improve quality of the drilled hole and prevent tear-out.
29. The shelf pin hole jig of claim 27 wherein the plurality of guide channels are positioned in a straight row along the main body.
30. The shelf pin hole jig of claim 27 wherein the hardened inserts have a lip positioned adjacent the top edge that serves as an extended stop surface.
31. The shelf pin hole jig of claim 27 wherein the hardened inserts have a lip positioned adjacent the bottom edge that serves as an extended surface that prevents tear-out.
32. The shelf pin hole jig of claim 27 further comprising a plurality of support members connected to the guide channels.
33. The shelf pin hole jig of claim 27 further comprising a compartment in the main body.
34. The shelf pin hole jig of claim 27 wherein the alignment member is removably connectable to a first lateral side and a second lateral side of the main body.
35. A shelf pin hole jig for drilling shelf pin holes comprising:
a main body having a top side and a bottom side;
an alignment member connected to the main body;
the main body having a plurality of guide channels that include a bore which extend through the main body;
a first compartment positioned in the main body;
wherein the first compartment is configured to hold a relocation pin member, a straight drill bit or a stepped drill bit.
36. The shelf pin hole jig of claim 35 further comprising a second compartment positioned in the main body; wherein the second compartment is configured to hold a relocation pin member, a straight drill bit or a stepped drill bit.
37. The shelf pin hole jig of claim 35 further comprising a third compartment positioned in the main body; wherein the third compartment is configured to hold a relocation pin member, a straight drill bit or a stepped drill bit.
38. The shelf pin hole jig of claim 35 wherein the first compartment is positioned in the bottom side of the main body.
39. The shelf pin hole jig of claim 35 wherein the first compartment includes a cover removably placed over the first component to hold components therein.
40. The shelf pin hole jig of claim 35 wherein the first compartment includes a rotating paddle to hold components therein.
41. An extended shelf pin hole jig for drilling shelf pin holes comprising:
a first main body and a second main body having a top side and a bottom side;
the first main body and second main body extending a length between a first end and a second end, and extending a width between a first side and a second side;
the first main body and second main body having a plurality of guide channels that include a bore which extend through the main body;
wherein the first main body and the second main body are connected in end-to-end relation for form an extended shelf pin hole jig.
42. The extended shelf pin hole jig of claim 41 wherein the first main body and the second main body are connected by a connecting member.
43. The extended shelf pin hole jig of claim 41 wherein the first main body and the second main body are connected by a connecting member positioned within a notch in adjacent ends of the first main body and the second main body.
44. The extended shelf pin hole jig of claim 41 wherein the first main body and the second main body are connected by a connecting member which is screwed, bolted or pinned to the first main body and the second main body.
45. The extended shelf pin hole jig of claim 41 further comprising at least one alignment member removably connected to the first side or second side of the extended shelf pin hole jig.
46. A shelf pin hole jig kit for drilling shelf pin holes comprising:
a main body having a top side and a bottom side;
the main body extending a length between opposing first end and second end, and extending a width between opposing first side and second side;
the main body having a plurality of guide channels which extend through the main body;
an alignment member removably connectable to the first side or the second side of the main body;
a stepped drill bit having a stop collar;
a relocation pin member.
47. The shelf pin hole jig kit of claim 46 wherein the relocation pin member has a main shaft and stepped portion wherein the main shaft has a diameter closely matching the diameter of the plurality of guide channels, and the stepped portion has a diameter less than the diameter of the plurality of guide channels.
48. The shelf pin hole jig kit of claim 46 further comprising a straight drill bit having a stop collar.
49. The shelf pin hole jig kit of claim 46 wherein the main body has at least one compartment for holding a stepped drill bit or the relocation pin member.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US14/074,476 US20140064868A1 (en) | 2011-02-03 | 2013-11-07 | Shelf pin hole jig |
US29/649,040 USD871880S1 (en) | 2011-02-03 | 2018-05-25 | Shelf pin hole jig |
Applications Claiming Priority (2)
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US13/020,277 US8882409B2 (en) | 2011-02-03 | 2011-02-03 | Shelf pin hole jig |
US14/074,476 US20140064868A1 (en) | 2011-02-03 | 2013-11-07 | Shelf pin hole jig |
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US29/649,040 Continuation USD871880S1 (en) | 2011-02-03 | 2018-05-25 | Shelf pin hole jig |
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US29/649,040 Active USD871880S1 (en) | 2011-02-03 | 2018-05-25 | Shelf pin hole jig |
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US13/020,277 Active 2032-07-15 US8882409B2 (en) | 2011-02-03 | 2011-02-03 | Shelf pin hole jig |
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US29/649,040 Active USD871880S1 (en) | 2011-02-03 | 2018-05-25 | Shelf pin hole jig |
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USD871880S1 (en) * | 2011-02-03 | 2020-01-07 | Kreg Enterprises, Inc. | Shelf pin hole jig |
CN105195789A (en) * | 2014-06-18 | 2015-12-30 | 空中客车运营有限公司 | Drilling Template, Drilling Template Arrangement And Method For Introducing Bores |
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Also Published As
Publication number | Publication date |
---|---|
US8882409B2 (en) | 2014-11-11 |
USD871880S1 (en) | 2020-01-07 |
US20120201621A1 (en) | 2012-08-09 |
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