US20040255829A1 - Portable folding table - Google Patents
Portable folding table Download PDFInfo
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- US20040255829A1 US20040255829A1 US10/867,192 US86719204A US2004255829A1 US 20040255829 A1 US20040255829 A1 US 20040255829A1 US 86719204 A US86719204 A US 86719204A US 2004255829 A1 US2004255829 A1 US 2004255829A1
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- set forth
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- undersurface
- pins
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 36
- 230000000712 assembly Effects 0.000 claims description 21
- 238000000429 assembly Methods 0.000 claims description 21
- 239000002991 molded plastic Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 230000003993 interaction Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000021167 banquet Nutrition 0.000 description 1
- 235000021178 picnic Nutrition 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B3/00—Folding or stowable tables
- A47B3/08—Folding or stowable tables with legs pivoted to top or underframe
- A47B3/091—Folding or stowable tables with legs pivoted to top or underframe with struts supporting the legs
- A47B3/0911—Folding or stowable tables with legs pivoted to top or underframe with struts supporting the legs the struts being permanently connected to top and leg or underframe and leg
- A47B3/0912—Folding or stowable tables with legs pivoted to top or underframe with struts supporting the legs the struts being permanently connected to top and leg or underframe and leg the strut being of two parts foldable relative to one another
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- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
A portable folding table includes a tabletop, support for the tabletop and support pedestals. Braces extend from the support pedestals to the underside of the tabletop. The table further includes a transverse strut extending across the underside of the table top to provide support. The transverse strut is located intermediate the pins that attach the braces to the underside of the tabletop.
Description
- This application claims the benefit of U.S. Provisional Patent Application Ser. No. 60/478,495 filed Jun. 13, 2003, the complete disclosure of which is hereby expressly incorporated by reference.
- The present invention relates generally to portable folding tables with rigid support systems and, more particularly, to a portable folding table having foldable legs.
- The use of portable tables with foldable legs at events such as banquets, picnics, parties, festivals, etc., is well known. Portable tables typically include features allowing the legs to move between into a collapsed position, for relocation or storage, and an extended position for normal operation. Additionally, these tables typically have sufficient strength and rigidity allowing the table to support objects placed upon the tabletop during normal usage. Known portable tables also typically include a locking mechanism for securing the legs of the table in the operative position, thereby preventing the table from inadvertently collapsing.
- Generally, when in the storage position, the legs of the table are located proximate the underside of the tabletop. This requires that an operator place the table on its side prior collapsing the legs. Consequently, heavy tables are undesirable as greater weight increases the difficulty of rotating a table onto its side.
- Normally, known portable tables include systems for supporting any object placed upon the tabletop. Standard usage generally requires that the support system have high durability, since high durability allows the portable tables to withstand the wear and tear associated with the continuous relocation and setup of the portable table. Generally, in known tables, increased durability and load-bearing capability result in a significant increase in the weight of the table, and as explained above, the increase in the weight of the table generally increases the difficulty associated in moving and setting up the table.
- In addition, the folding mechanisms coupled to the legs of a folding table must be manually operated when a user places the legs into the extended or operable position. In known portable folding tables, these mechanisms often require significant physical strength and/or dexterity. Furthermore, the prior art folding mechanisms may be complicated and involve numerous interacting parts, thereby increasing both the manufacturing costs and the assembly costs of the table.
- Accordingly, there is a need for portable folding tables that are strong, durable, lightweight, and have simple folding mechanisms.
- An embodiment of the present invention discloses a portable folding table. The portable folding table includes a tabletop having a top surface, or working surface, and an undersurface. The undersurface includes a wall extending about the periphery, and elongate channels extending proximate opposing edges of the tabletop. In addition, the undersurface also includes rib assemblies molded therein, defining a transverse channel.
- The portable folding table further includes support tubes for supporting the tabletop. The support tubes include a main body and a plurality of tubular members extending therefrom. The support tubes are located within the elongate channels and are attached to a wall molded into the undersurface.
- The table also includes pedestals for supporting the tabletop above a surface. The pedestals each include a pedestal support tube and legs. The legs may take a variety of shapes and may be joined to each other by braces in order to provide additional support. In addition, tubular supports extend through the pedestal support tubes and into the tubular members providing a pivot upon which the pedestals may rotate.
- In addition, the portable folding table also includes support braces for retaining the pedestals in the extended position with the legs disposed away from the undersurface. The support braces include at least one angle arm and a straight arm fastened together in a manner allowing the straight arm to rotate about the fastened ends. The opposite end of the straight arm is joined to the underside of the tabletop by way of a pin. The pin is connected to the undersurface of the tabletop and remains distinct from the frame.
- The folding table further includes a transverse strut extending between the support tubes of the frame. The transverse strut is confined within the transverse channel by way of attachment assemblies disposed between the frame and the undersurface. The interaction between the support tubes and the transverse strut succeeds in providing a normal force to the tabletop when the tabletop is supporting a load.
- These and other features of the invention will become more apparent and the present invention will be better understood upon consideration of the following description and the accompanying drawings wherein:
- FIG. 1 depicts a perspective view of an embodiment of a portable table in the operative configuration;
- FIG. 2 depicts a perspective view of the tabletop illustrated in FIG. 1;
- FIG. 2A depicts an enlarged view of the encircled area shown in FIG. 2;
- FIG. 2B depicts a cross-sectional view through
lines 2B-2B of FIG. 2A; - FIG. 2C is a cross-sectional view through lines2C-2C of FIG. 1;
- FIG. 3 depicts an exploded perspective view of the support structure illustrated in FIG. 1;
- FIG. 3A depicts an enlarged view of the encircled area shown in FIG. 3;
- FIG. 3B depicts an enlarged view of the encircled area shown in FIG. 3A;
- FIG. 3C depicts an enlarged view of the encircled area shown in FIG. 3;
- FIG. 3D depicts an enlarged view of the encircled area shown in FIG. 3;
- FIG. 3E depicts an enlarged view of a pin utilized in the present invention;
- FIG. 4 depicts an exploded perspective view of the portable table illustrated in FIG. 1;
- FIG. 4A depicts an enlarged view of the encircled area shown in FIG. 4; and
- FIG. 5 depicts a perspective view of the portable table illustrated in FIG. 1 in the collapsed position.
- Referring first to FIG. 1, a portable table is generally indicated by
numeral 10. Portable table 10 includes atabletop 12 and asupport system 14. In the embodiment depicted, thetabletop 12 is manufactured from blow molded plastic having a rectangular shape and includes a substantially smoothtop surface 16 and anundersurface 18 located opposite thereof. However, in alternative embodiments, any or all of the shape, the texture of the surfaces, or the material of manufacture of thetabletop 12 may differ from that disclosed herein. For example, thetabletop 12 may be manufactured from injection-molded plastic or wood. Similarly, the shape of thetabletop 12 may take on the shape of a circle, square, triangle, or any other desired shape. - FIG. 2 depicts a perspective view of the
tabletop 12. In this embodiment,undersurface 18 includes awall 20 extending downward from the edges of thetabletop 12. As illustrated, thewall 20 is molded intoundersurface 18 forming a right angle. In addition,undersurface 18 also includes a plurality ofdimples 22 uniformly spaced throughout, as a mechanism ofrigidifying undersurface 18.Undersurface 18 further includes a pair ofelongate channels 24 extending proximate the long edges oftabletop 12 and atransverse channel 26 extending the width of thetabletop 12 perpendicular to theelongate channels 24. - The
elongate channels 24, set forth above, are recessed intoundersurface 18. Eachchannel 24 includes aflat surface 28 defining the most recessed position of thechannel 24.Flat surface 28 may be recessed intoundersurface 18 any distance desired. In alternative embodiments,flat surface 28 need not be recessed intoundersurface 18 at all. Whenflat surface 28 is recessed intoundersurface 18, alip 116 is formed separatingundersurface 18 andflat surface 28. - FIG. 2 also depicts
transverse channel 26, which extends transversely across the width ofundersurface 18. Thetransverse channel 26 extends between the twoelongate channels 24. However, unlike theelongate channels 24,transverse channel 26 is not defined by a flat surface recessed intoundersurface 18. Rather, the area separating a molded pair ofrib assemblies 30 defines thetransverse channel 26. In the embodiment depicted, thetransverse channel 26 is located mid-way between the two short edges oftabletop 12. - FIGS. 2 and 2A both depict two molded
rib assemblies 30, separated bytransverse channel 26. Eachrib assembly 30 is molded intoundersurface 18 and includes a plurality ofribs 32, amain body 34, and a pair ofpin connecting sections 40. In the embodiment depicted, therib assemblies 30 include eightribs 32 molded intoundersurface 18. Four of theribs 32 extend outward fromtransverse channel 26. Two of theribs 32 extend substantially parallel totransverse channel 26 proximatepin connecting section 40. Finally, the remainingribs 32 extend from themain body 34 to thepin connecting section 40. - In the embodiment depicted, the
main body 34 of eachrib assembly 30 perpendicularly radiates outward fromtransverse channel 26, toward the short edges of thetabletop 12. Furthermore,main body 34 is centered between the two long edges of the table 12 and extends upwards a distance fromundersurface 18 equaling the height ofwall 20. In the present embodiment, this distance is slightly greater than the distance separating the top surface of theribs 32 and theundersurface 18. In addition,main body 34 has a width approximately double that of each of theribs 32. - As stated above, the
rib assemblies 30 each include twopin connecting sections 40. Thepin connecting sections 40 are molded intoundersurface 18 and have the same height, with respect toundersurface 18, as theribs 32. Each of thepin connecting sections 40 includes aside wall 41, aside wall 42, atop surface 44, and apin receiving channel 46. - FIG. 2A illustrates that each
pin connecting section 40 joins tworibs 32. In the embodiment depicted,side wall 42 represents the portion of thepin connecting sections 40 separating the joinedribs 32. As depicted,side wall 42 includes anaperture 48 extending therethrough. - Each
pin connecting section 40 also includes atop surface 44. In the embodiment depicted,top surface 44 is substantially smooth with a square profile. In addition, apin receiving channel 46 is inset intotop surface 44. As can be seen, theside walls pin receiving channel 46. In addition, the twopin receiving channels 46 of eachrib assembly 30 open toward each other as depicted in FIG. 2. - Each
pin receiving channel 46 represents a void extending into the center of thepin connecting section 40. In addition, eachchannel 46 includestabs 50 depicted in FIGS. 2A and 2B. Thetabs 50 extend toward the center of thepin receiving channel 46 from each of theside walls - Referring now to FIG. 2B, a section view taken through the
channel 46 is depicted. Eachtab 50 includes amain body 120 including arecess 122 defined by ashoulder 124. As shown in FIGS. 2A and 2B, twoshoulders 124 of the twotabs 50 are positioned opposite each other across thechannel 46. - Referring now to FIG. 3, an exploded perspective view of
support system 14 is depicted.Support system 14 includespedestals 54, support braces 56, tubular supports 58, atransverse strut 60, and a pair ofsupport tubes 62. In the embodiment depicted, eachsupport tube 62 includes amain body 64 andtubular members 66. Thetubular members 66 inward from themain body 64. Thesupport tubes 62 may be manufactured from steel or, any material similar, having sufficient strength to prevent thetube 62 from twisting about its longitudinal axis, when loaded. - In the embodiment depicted,
main body 64 has a length approximately equal to that of theelongate channels 24 of undersurface 18 (depicted in FIG. 2). In addition, thesupport tubes 62 have a width slightly smaller than the width of theelongate channels 24. Furthermore, the height ofmain body 64 is equivalent to the distance separating the top edge of wall 20 (depicted in FIG. 2) from flat surface 28 (depicted in FIG. 2). It should be noted that although themain body 64 is depicted as including a rectangular cross section, this cross section might take any shape desired. -
Main body 64 also includes a plurality ofapertures 68 that extend through two of the opposing walls thereof. Specifically, theapertures 68 are disposed in the wall ofmain body 64 that abuts against wall 20 (depicted in FIG. 2).Apertures 68 are also disposed throughoutmain body 64opposite wall 20. In addition, theapertures 68 located in each of the opposing walls ofbody 64 are aligned in pairs, thereby allowing a fastener (not shown) to extend completely throughmain body 64. - In the depicted embodiment,
tubular members 66 are fixedly attached tomain body 64. Thetubular members 66 have a circular cross-section and are spaced inward toward the center ofmain body 64, from the ends thereof. Additionally, thetubular members 66 are manufactured from the same type of material that formsmain body 64. In the embodiment depicted, themain body 64 and thetubular members 66 are steel, and thetubular members 66 are affixed tomain body 64 by way of welding. In alternative embodiments, however, thetubular members 66 may be attached tomain body 64 in any well-known manner, andmain body 64 may be manufactured from any durable material.Main body 64 also includes circular apertures 69 (FIG. 2C) located proximate the ends thereof with eachaperture 69 having diameter approximately equal to the inner diameter of thetubular members 66. Thecircular apertures 69 are disposed throughout inmain body 64 in a manner ensuring theapertures 69 are aligned with thetubular members 66. - Referring still to FIG. 3, it can be seen that each of the
pedestals 54 includes a pair of laterally spaced apart supportlegs 70 radiating from apedestal support tube 72. Generally, supportlegs 70 andpedestal support tube 72 are manufactured from the same material comprising thesupport tubes 62. In the embodiment depicted, both thelegs 70 and thesupport tube 72 of eachpedestal 54 have circular cross-sections, and furthermore, thepedestal support tube 72 has a circular cross section approximately equivalent to that of thetubular members 66. In addition, thesupport tube 72 is independently welded to eachleg 70.Braces 74 extend between the twosupport legs 70 proximate the ends thereof, thereby allowing thelegs 70 to support each other. - As indicated above,
support system 14 also includestubular supports 58 located at opposite ends of thesupport system 14. The diameter of the tubular supports 58 is slightly less than the diameter of both thetubular members 66 andpedestal support tubes 72. In addition, the tubular supports 58 are longer thantubes 72, such that a portion of thesupports 58 extends outward from thetubes 72, as best shown in FIG. 4. Accordingly, the tubular supports 58 extend through both thepedestal support tubes 72 and into thetubular members 66. Furthermore, the tubular supports 58 extend into thesupport tubes 62 through thecircular apertures 69, as depicted in FIG. 2C. - As explained above, tubular supports58 have a diameter less than the
tubular members 66, thecircular apertures 69 and thesupport tubes 72. Accordingly, when fully assembled as depicted in FIG. 2C,support tubes 72 may rotate about thetubular support 58, extending therethrough. Thus, this connection allows support pedestals 54 to rotate with respect to thetabletop 12 between an extended position and a collapsed position. - Referring again to FIG. 3,
transverse strut 60 of thesupport system 14 is depicted. Thetransverse strut 60 includes amain body portion 76 having a rectangular cross section and anattachment assembly 78 located at each end thereof. In the embodiment depicted, eachattachment assembly 78 comprises an angle plate including avertical plate 80 and ahorizontal plate 82.Vertical plate 80 extends above the top surface ofmain body portion 76, withhorizontal plate 82 extending perpendicularly therefrom. This attachment creates an angle between the twoplates - The
support system 14 also includes a pair of support braces 56, as depicted in FIGS. 3, 3A and 3B. Eachsupport brace 56 includes angledarms 84, astraight arm 86 and ajunction 88 therebetween. A portion ofstraight arm 86 is pinned between theangled arms 84. Afastener 92 affixes theangled arms 84 to afirst end 90 of thestraight arm 86 in a manner allowingstraight arm 86 to rotate with respect to theangled arms 84. -
Straight arm 86 also includes asecond end 94 located oppositefirst end 90.Second end 94 includes an aperture 96 positioned therein having a circular cross-section. In the embodiment depicted, the support braces 56 further include lockingcomponents 98 having a rectangular shape. The lockingcomponents 98 include anaperture 100 extending through the center.Straight arm 86 extends throughaperture 100.Aperture 100 has a size sufficient to allow for the sliding movement of lockingcomponent 98 proximatefirst end 90. Furthermore, whenstraight arm 86 is aligned with theangled arms 84, the lockingcomponent 98 may be positioned overjunction 88 in order to prevent rotation of thestraight arm 86 aboutfastener 92. - FIG. 4A depicts a
pin 102 having a circular cross-section sized and configured to extend through aperture 96 ofstraight arms 86. Thepin 102 is further sized and configured in both length and diameter to allow for the insertion of thepin 102 into thepin receiving channels 46 depicted in FIG. 2. Thepin 102 includes mountingapertures 104 located proximate its ends. - Referring again to FIGS. 3 and 3D, the
support system 14 further includes pin clamps 106. In the embodiment depicted, the pin clamps 106 are manufactured from the same type ofmaterial comprising pedestals 54, support braces 56 andsupport tubes 62. Eachpin clamp 106 includes aflat plate 108 with a rectangular shape that includes a plurality ofapertures 110. In the embodiment depicted,apertures 110 are located proximate the corners ofplate 108. Theapertures 110, however, may be disposed throughoutplate 108 as desired. The pin clamps 106 further includeears 112, which extend perpendicularly downward from theflat plates 108, forming a right angle therebetween. Eachear 112 includes anaperture 114 extending therethrough.Aperture 114 is sized and configured to allowpin 102 to extend therethrough. - Now that the major components comprising portable table10 have been explained, the assembled structure of portable table 10 will be described in detail with reference to FIG. 4. Beginning with
transverse strut 60, thetransverse strut 60 is positioned within located in thetransverse channel 26 ofundersurface 18.Transverse strut 60 is sized to both substantially fillchannel 26 and also extend across theundersurface 18 oftabletop 12. Whentransverse strut 60 is properly located, thehorizontal plates 82 of theattachment assemblies 78 should rest flush against theflat surfaces 28 of theelongate channels 26. - Once
transverse strut 60 has been properly positioned withintransverse channel 26, the remainder ofsupport system 14 is then positioned within theundersurface 18 of thetabletop 12. In no particular order,tubular support 58 is inserted into apedestal support tube 72 of one of the support pedestals 54. The tubular supports 58 are then inserted into thetubular members 66 of thesupport tubes 62, in the manner described above. Next, thesupport tubes 62 are positioned within theelongate channels 24 ofundersurface 18. A plurality of fasteners, such as screws (not shown), affixes thesupport tubes 62 to thewall 20. Specifically, the fasteners extend throughapertures 68 and intowall 20 oftabletop 12. In the embodiment depicted, the portable table 10 requires eight fasteners to attach bothsupport tubes 62 to wall 20. In alternative embodiments, however, a different number or type of fastener may be employed. - It should be noted that the attachment of the
support tubes 62 to thetabletop 12 in the manner set forth above retains thesupport tubes 62 against thewall 20. Furthermore, in the embodiment depicted, since the width ofelongate channel 24 is greater than the width of thesupport tubes 62, the retention of thesupport tubes 62 againstwall 20 prevents thesupport tubes 62 from contacting the raisedlips 116 of theelongate channels 24. This creates agap 118 between thelips 116 and thetubes 62. It should be noted that in this embodiment, since thesupport tubes 62 are positioned within theelongate channels 24 only aftertransverse strut 60 has been positioned withintransverse channel 26, thehorizontal plates 82 of thetransverse strut 60 are positionedintermediate support tubes 62 andflat surface 28. This means of engagement causes thetransverse strut 60 to “hang” from thesupport tubes 62 by way of thehorizontal plates 82. - Following the connection of the
support tubes 62 to wall 20, thepins 102, pin clamps 106 and second ends 94 of thestraight arms 86 are first assembled together and then affixed to undersurface 18 oftabletop 12. In the embodiment depicted, pins 102 are inserted into the apertures 96 (FIG. 3A) of pin clamps 106, as shown in FIG. 4A.Pins 102 may then be pressed into the pin receiving channels 46 (FIG. 2A) of thepin connecting sections 40. As explained above, eachpin receiving channel 46 includes a plurality of shoulders 124 (FIG. 2B). As eachpin 102 is pressed into thepin receiving channel 46, theshoulder 124 will deform allowing thepin 102 to pass therethrough. Thepin 102 is received byspace 122,shoulders 124 return to their original position thereby trappingpin 102. - In an effort to ensure that the
pins 102 remain situated within thepin receiving channels 46, fasteners (not shown) are inserted into the aperture 48 (FIG. 2A) located withinside wall 42. Theapertures 48 of thepin connecting sections 40 should align with the mountingapertures 104 located proximate the ends of thepins 102, thereby allowing for the insertion of the fastener into thepins 102. The extension of the fastener throughapertures 48 and intoapertures 104 succeeds in retaining securing thepins 102 within thepin receiving channels 46. - The attachment of pin clamps106 to the
pin connecting sections 40 further succeeds in retaining thepins 102 within thepin receiving channels 46. As described above, each of the pin clamps 106 includes a plurality ofapertures 110 dispersed throughoutflat plate 108. Fasteners (not shown) may be inserted through the apertures 110 (FIG. 3B) intotop surface 44 ofpin connecting section 40, thereby affixing the pin clamps 106 to the top surfaces 44. Since thepins 102 extend throughears 112, the retention of the pin clamps 106 against thepin connecting sections 40 further ensures that thepins 102 remain secured within thepin receiving channels 46. The attachment of the pin clamps 106 to thepin connection sections 40 represents the final step of assembling the portable table 10. - Now that the assembly of portable table10 has been described, the function of portable table 10 will now be explained in detail with reference to FIGS. 1 and 5. FIG. 5 depicts the portable table 10 configured in the storage position with the
pedestals 54 locatedproximate undersurface 18. Generally, this position is preferred when either storing or moving the portable table 10, as the portable table 10 occupies less area than that occupied by the table 10 when in the operative position illustrated in FIG. 1. In the operative position, thepedestals 54 extend away fromundersurface 18. - Referring now to FIGS. 4 and 5, and starting first with the
pedestals 54, the interaction of thepedestal support tubes 72 and thetubular support 58 allows thepedestals 54 to pivot about thesupport 58 and into the operative position illustrated in FIG. 1. - Referring still to FIG. 1, when the
pedestals 54 extend away from thetabletop 12 in the operative position, thestraight arms 86 andangled arms 84 the support braces 56 align to share a common longitudinal axis (not shown). In order to prevent the portable table 10 from inadvertently collapsing, the brace locks 98 lock the support braces 56 in this position by being placed overjunction 88. This prevents the rotation ofstraight arm 86 aboutfastener 92, thereby preventing thepedestals 54 from undesirably moving into the storage position illustrated in FIG. 5. - Once the table10 is configured in the operative position, the portable table 10 is capable of supporting loads above the floor. The load associated with an object placed on the center of the table 10 is counteracted by the interaction between the
transverse strut 60 and tubular supports 62. Specifically, a load supported by the center of the table 10 travels through thetabletop 12 and into thetransverse strut 60, where the force of the load is met with a countering, or normal, force. This normal force exists by way of the interaction between thetransverse strut 60 and thesupport tubes 62. Specifically, the normal force travels up from the floor (not shown) through thelegs 70 of the support pedestals 54. The force then travels into thepedestal support tubes 72, through the tubular supports 58, and into thetubular members 66. Once the normal force reachestubular members 66, it transfers into thesupport tubes 62 and travels down thesupport tubes 62 into thetransverse strut 60. In this manner, portable table 10 prevents thetabletop 12 from bowing when thetabletop 12 is loaded in the center. - Once a load has been placed upon the table10, at a position other than the center, the force of the load travels through the
tabletop 12 and into thesupport tubes 62. The normal force for counteracting the force of the load is supplied to thesupport tubes 62 from the floor in a manner identical to that described above. In this manner, portable table 10 can support a load exerted anywhere upontop surface 16. - Furthermore, the design of the table allows for the pedestal legs to be easily stored. For example, as the
pins 102 and their associated rib assemblies are narrow, thepedestal legs 70 flank the combination of thepins 102 andrib assemblies 30 when in the stored position, as shown in FIG. 5. This is advantageous, since this configuration does not require thelegs 70 to be collapsed or reduced in length when positioned againstundersurface 18. - The
present support system 14 also provides a very rigid assembly. As thetubes 62 are rectangular in cross section, they themselves are quite rigid. However, the torsional rigidity of thetubes 62 is increased by the extension oftubular support 58 through thetubular members 66. - The present table also provides a cosmetically appealing design from the perspective of the
underside structure 14. In particular, as thesupport tubes 66 and thetubular members 72 have a consistent diameter, the combination of thetubes - The presently disclosed embodiment provides a portable folding table that is lightweight, easy to fold/unfold and may be efficiently stored when folded. The portable folding table provides functionality and load-bearing capability when unfolded with relatively few separate parts. Accordingly, manufacture and assembly of the portable folding table is relatively efficient.
- While the invention has been described in its currently best known modes of operation and embodiments, other modes and embodiments of the invention will be apparent to those skilled in the art and are contemplated.
Claims (41)
1. A table comprising:
a tabletop including an underside and a pair of rib assemblies defining a transverse channel intermediate the rib assemblies;
a transverse strut disposed in said transverse channel, said transverse strut supporting the tabletop;
a pair of pivotal support pedestals moveable between an extended position and a collapsed position; and
a pair of braces extending between said support pedestals and a pair of attachment points;
wherein said transverse strut is positioned intermediate said attachment points.
2. The table as set forth in claim 1 , further comprising a pair of pins connected to said rib assemblies, said pins providing said attachment point for said braces.
3. The table as set forth in claim 2 , wherein said support pedestals include a pair of legs, said pins intermediate said legs when said support pedestals are in the collapsed position.
4. The table as set forth in claim 1 , further comprising a pair of support tubes disposed within a pair of elongate channels integrally formed in said undersurface, said transverse strut extending between and being connected to said support tubes.
5. The table as set forth in claim 4 , wherein each said support tube comprises a main body and a pair of tubular members, a portion of said transverse strut being disposed between said main bodies and said undersurface.
6. The table as set forth in claim 5 , further comprising a pair of tubular supports extending between said tubular members of said support tubes, said tubular supports extending through a support tube included in each of said pedestals, wherein said pedestals pivot about said tubular support.
7. The table as set forth in claim 6 , wherein said transverse strut further comprises a pair of attachment assemblies including a horizontal plate, wherein said horizontal plate is disposed between said undersurface and said main bodies.
8. The table as set forth in claim 7 , wherein said pins are distinct from said support tubes.
9. The table as set forth in claim 2 , further comprising a plurality of brackets and a plurality of fasteners connecting said pin to said undersurface.
10. The table as set forth in claim 2 , wherein said rib assemblies include channels for receiving said pins.
11. The table as set forth in claim 10 , wherein said pins include apertures for receiving fasteners extending through said channels.
12. The table as set forth in claim 1 , wherein said table top is a one-piece table top manufactured from blow molded plastic.
13. A table comprising:
a tabletop including an underside and a pair of elongate channels integrally formed therein;
a pair of support tubes disposed in said elongate channels including a main body and a pair of tubular members;
a pair of tubular supports extending between each pair of said tubular members; and
a pair of pedestals each including a pedestal support tube and a plurality of legs extending therefrom, wherein one of said tubular supports extends through one of said pedestal support tubes thereby allowing said pedestals to pivot about said tubular supports between an extended and a collapsed position.
14. The table as set forth in claim 13 , wherein said tubular members include an outer diameter and said pedestal support tubes include an outer diameter sized equivalent to said outer diameters of said tubular members.
15. The table as set forth in claim 13 , wherein said undersurface includes a pair of rib assemblies defining a transverse channel disposed perpendicular to said elongate channels, said transverse channel receiving a transverse strut supporting said tabletop.
16. The table as set forth in claim 15 , wherein said transverse strut is connected to said support tubes.
17. The table as set forth in claim 16 , wherein said transverse strut includes a pair of attachment assemblies located at each end, a portion of said attachment assemblies disposed between said underside and said support tubes.
18. The table as set forth in claim 17 , further comprising a pair of braces extending between said underside and said support pedestals, said braces attached to said underside at attachment points.
19. The table as set forth in claim 18 , further comprising a pair of pins attached to said underside at said attachment points, each of said pins extending through an aperture located in one of said braces.
20. The table as set forth in claim 19 , wherein each of said rib assembles includes channels and said pins are located within said channels.
21. The folding table as set forth in claim 13 , wherein said table top is a one-piece table top manufactured from blow molded plastic.
22. A folding table comprising:
a tabletop comprising a top surface and an undersurface located opposite said top surface, said undersurface including a pair of elongate channels extending proximate the edges of said tabletop and a transverse channel extending perpendicular to said elongate channels;
a support structure comprising a pair of support tubes disposed in said elongate channels;
a pair of pedestals each including a pedestal support tube and a pair of legs, said pair of pedestals being rotatable between a storage position with said legs proximate said undersurface and an operative position with said legs located distant from said undersurface, each said pedestal rotating about said pedestal support tube;
a pair of support braces each having a first end attached to one of said pedestals and a second end attached to a pin mounted to said undersurface; and
a transverse strut disposed within said transverse channel;
wherein each said pin is located intermediate a different pair of said legs of said pedestals when said pedestals are arranged in said storage position.
23. The folding table as set forth in claim 22 , wherein said transverse strut includes an attachment assembly at each end, said attachment assembly being disposed between said undersurface and said frame in order to retain said transverse strut within said transverse channel.
24. The folding table as set forth in claim 22 , wherein said transverse channel is located intermediate said pins attached to said undersurface.
25. The folding table as set forth in claim 22 , further including a pair of tubular supports extending between said support tubes, each of said tubular supports being located within one of said pedestal support tubes.
26. The folding table as set forth in claim 22 , further including a plurality of fasteners attaching said pins to said undersurface.
27. The folding table as set forth in claim 22 , further including a plurality of pin clamps including an ear and a flat plate, one of said pins being disposed within said ear and said flat plate being attached to said undersurface by way of a plurality of fasteners.
28. The folding table as set forth in claim 22 , wherein said table top is a one-piece table top manufactured from blow molded plastic.
29. A folding table comprising:
a tabletop comprising a top surface and an undersurface located opposite said top surface, a pair of elongate channels disposed in said undersurface and extending proximate the edges of said tabletop;
a support structure comprising a pair of support tubes, rectangular in cross-section, including a main body and a pair of tubular members, attached thereto adjacent to the ends of the support tubes, said support tubes being disposed within said elongate channels;
a pair of pedestals each including a pedestal support tube and a plurality of legs extending therefrom; and
a pair of tubular supports extending between said tubular members of said pair of said support tubes and through said support tube of said pedestal.
30. The folding table of claim 29 , wherein the rectangular support tubes have a plurality of apertures located proximate said tubular members, whereby the tubular support which extends through said pedestal support tube and said tubular members, also extends into said rectangular support tubes.
31. The folding table as set forth in claim 29 , further comprising a pair of braces and a pair of pins, said braces extending from said pedestals to said pins.
32. The folding table as set forth in claim 31 , wherein each said brace is joined to a different one of said pins.
33. The folding table as set forth in claim 32 , wherein each said pin is disposed in different said rib assemblies.
34. The folding table as set forth in claim 33 , wherein said pins remain distinct from said support tubes.
35. The folding table as set forth in claim 34 , wherein said support braces include a pair of fastened angled arms joined by a fastener to a first end of a straight arm at a junction, said straight arm being rotatable about said fastener at said junction.
36. The folding table as set forth in claim 35 , wherein said straight arms include a second end opposite said first end, said pin attached to said second end.
37. The folding table as set forth in claim 36 , wherein said attachment assemblies include a horizontal plate and a vertical plate, said horizontal plate being disposed within said elongate channels between said undersurface and said support tubes.
38. The folding table as set forth in claim 37 , wherein said support tubes include a plurality of apertures spaced throughout a pair of opposing side walls, said apertures being of sufficient size to receive a plurality of fasteners that extend through said apertures and into said wall.
39. The folding table as set forth in claim 38 , wherein said rib assemblies include a pin receiving channel having tabs for retaining said pin therein.
40. The folding table as set forth in claim 39 , wherein said pins include at least one aperture, a fastener extending through said rib assemblies and said at least one aperture thereby affixing said pin to said rib assembly.
41. The folding table as set forth in claim 29 , wherein said table top is a one-piece table top manufactured from blow molded plastic.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/867,192 US20040255829A1 (en) | 2003-06-13 | 2004-06-14 | Portable folding table |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47849503P | 2003-06-13 | 2003-06-13 | |
US10/867,192 US20040255829A1 (en) | 2003-06-13 | 2004-06-14 | Portable folding table |
Publications (1)
Publication Number | Publication Date |
---|---|
US20040255829A1 true US20040255829A1 (en) | 2004-12-23 |
Family
ID=33519304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/867,192 Abandoned US20040255829A1 (en) | 2003-06-13 | 2004-06-14 | Portable folding table |
Country Status (1)
Country | Link |
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US (1) | US20040255829A1 (en) |
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US7536961B2 (en) * | 1998-10-21 | 2009-05-26 | Lifetime Products, Inc. | Table including a plastic table top and attached frame |
US20090308287A1 (en) * | 2008-06-16 | 2009-12-17 | Stack-On Products, Co. | Fold down work surface for mounting on a wall |
US20100212715A1 (en) * | 2009-02-24 | 2010-08-26 | Sunpower Corporation | Photovoltaic assemblies and methods for transporting |
US20100218706A1 (en) * | 2009-02-27 | 2010-09-02 | Cosco Management, Inc. | Banquet table |
US8931421B2 (en) * | 2012-11-01 | 2015-01-13 | Ping-Cheng Tsai | Foldable table |
EP3000353A4 (en) * | 2013-05-23 | 2016-12-21 | Yixiang Jiang | Blow molding panel with strengthened edge and folding table applying same |
CN108095331A (en) * | 2017-12-05 | 2018-06-01 | 国网山东省电力公司烟台供电公司 | A kind of power marketing field portable operation console |
USD874858S1 (en) | 2018-05-07 | 2020-02-11 | Dongguan Shichang Metals Factory Ltd. | Blow-molded rib structure for a table |
US20240083012A1 (en) * | 2019-10-09 | 2024-03-14 | Winslow & Ross Inc. | Multi-functional workbench |
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US8069796B2 (en) | 1998-10-21 | 2011-12-06 | Lifetime Products, Inc. | Table with molded plastic table top |
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US8793942B2 (en) * | 2009-02-24 | 2014-08-05 | Sunpower Corporation | Photovoltaic assemblies and methods for transporting |
US20100212715A1 (en) * | 2009-02-24 | 2010-08-26 | Sunpower Corporation | Photovoltaic assemblies and methods for transporting |
KR101650973B1 (en) * | 2009-02-24 | 2016-08-24 | 선파워 코포레이션 | Photovoltaic assemblies and methods for transporting |
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US20170013956A1 (en) * | 2012-11-01 | 2017-01-19 | Frank Tsai | Foldable Table |
US9661915B2 (en) * | 2012-11-01 | 2017-05-30 | Frank Tsai | Foldable table |
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EP3000353A4 (en) * | 2013-05-23 | 2016-12-21 | Yixiang Jiang | Blow molding panel with strengthened edge and folding table applying same |
CN108095331A (en) * | 2017-12-05 | 2018-06-01 | 国网山东省电力公司烟台供电公司 | A kind of power marketing field portable operation console |
USD874858S1 (en) | 2018-05-07 | 2020-02-11 | Dongguan Shichang Metals Factory Ltd. | Blow-molded rib structure for a table |
US20240083012A1 (en) * | 2019-10-09 | 2024-03-14 | Winslow & Ross Inc. | Multi-functional workbench |
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Owner name: FDL, INC., INDIANA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CIZMAR, ANDREW B.;RITCHIE, FRANCIS W.;REEL/FRAME:015483/0452;SIGNING DATES FROM 20030627 TO 20030630 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |