US3614926A - Device for tensioning the mounting sheet onto printing machines - Google Patents
Device for tensioning the mounting sheet onto printing machines Download PDFInfo
- Publication number
- US3614926A US3614926A US767797A US3614926DA US3614926A US 3614926 A US3614926 A US 3614926A US 767797 A US767797 A US 767797A US 3614926D A US3614926D A US 3614926DA US 3614926 A US3614926 A US 3614926A
- Authority
- US
- United States
- Prior art keywords
- cylinder
- mounting
- drum
- tensioning
- printing
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
Definitions
- This invention relates generally to a device for tensioning the mounting onto printing machines. More specifically, this invention relates to a device for stretching mountings onto printing machines which produce large size paper prints.
- this invention provides a device which effects a fool proof, wrinkle free mounting and tensioning of the mount, so that only one person is needed to mount and service the printing machine.
- the device is provided adjacent to, and parallel to the upper surface of the printing drum and adjacent its retaining means.
- 'Ihe smoothening device is provided with a coarse surface, preferably plush, which engages the upper surface of the printing press drum.
- the smoothening device is maintain in a position away from the printing press drum by means of a ratchet.
- the coarse surface of the smoothening device may be tensioned together with an intermediate elastic layer disposed on the smoothening device.
- the stationary cylinder mayv be moved along a longitudinal axis after loosening its arresting nuts.
- IIt is therefore an object according to the present invention to provide a smoothening device for conventional printing machines which applies the mounting to the printing drum in a wrinkle free condition.
- FIG. 1 is a side view partly in cross-section of the device of the invention.
- FIG. 2 is a cross-sectional view of the cylinder taken along section II-II of IFIG. l.
- FIG. 1 there is shown the device for tensioning and smoothening the mounting onto a printing press drum 6.
- the device is shown positioned away from printing press drum 6. If a new mounting is to be applied onto the printing press drum, lthe device and stationary or non-rotatable cylinder 1 is moved into the position indicated by the broken line in FIG. l.
- the cylinder is mounted by means of a pivot bolt 2 on a lateral support 3 which in turn is supported by an adjustable abutment 4.
- ratchet catch 16' off of ratchet pin 16a, thereby permitting support brackets 8 to pivot about bolt 2.
- ratchet catch 1'6 In construction, ratchet catch 1'6.
- Cylinder 1 extends outwardly from lateral support '3 by means of threaded screw stud 16b. Cylinder 1 is applied onto the surface of printing press drum ⁇ 6 at a position following retaining means 5, and smoothens or flattens rubber mounting cloth or sheet 7 during movement of printing press drum 6 by a single operator in the direction of the arrow (FIG. 1). Cylinder 1 is sufficiently wide to engage the entire width of mounting sheet 7.
- cylinder 1 is mounted on a pair of parallel support brackets 8 by means of stationary trunnion bolts 9 and 10.
- Cylinder body 11 is mounted so that end portions 12 receive bolts 9l and 10, and are retained by axial nuts 1G, so that lateral and rotational movement is impossible.
- the position of cylinder body 11 is ⁇ adjustable along bolts 9 and 10 by loosening retaining nuts 13.
- An elastic intermediate layer 14 is mounted over the cylinder body and is covered by a coarse layer 15, preferably plush for contact with the surface of mounting 7.
- cylinder 1 is pivotably retracted away from printing press drum 6 and mounted against lateral support 3 by means of ratchet catch 16. Nuts 113 can be loosened to permit a new portion of surface 15 to engage mounting 7 if the old portion becomes worn.
- An apparatus for tensioning and smoothening a, mounting retained on a printing press drum comprising:
- brackets having a first position for engaging said cylinder against the mounting of the printing press drum and a second position for removing said cylinder from the mounting of the drum;
- a catch secured to the printing press for engaging said support brackets to hold said cylinder in the second position including a pin extending outwardly from one of said pair of support brackets having its longitudinal axis parallel with the longitudinal axis of said cylinder, said catch having one end mounted to the printing press and including a recess on its other end for engaging said pin;
- a threaded stud rotatably engaging one of said pair of support brackets so as to provide adjustable abutment of said pair of brackets with the printing press drum.
- axle includes a pair of axial bolts, each having at least one restraining nut threadably engaging each end of said body portion in order to prevent rotatable movement of said cylinder about and along its longitudinal axis.
Abstract
A CYLINDER HAVING A COARSE SURFACE AND PIVOTABLY MOUNTED ADJACENT TO THE DRUM OF A PRINTING MACHINE SO THAT THE CYLINDER CAN BE URGED AGAINST THE MOUNTING SHEET RETAINED ON THE DRUM TO SMOOTHEN OUT AND TENSION THE MOUNTING WHEN THE DRUM IS ROTATED AGAINST THE CYLINDER. A RATCHET CATCH IS ALSO PROVIDED FOR HOLDING THE CYLINDER OUT OF CONTACT WITH THE DRUM WHEN IT IS NOT IN USE.
Description
oct. 26;?1497'31 H. BRECHTEL 3,614,926 DEVIYCEfFOR TENSICNING THE MOUNTING y-"SHEET ONTO PRINTING MACHINES med oct. 15, 195s f ff.. 5A
, Inventor.' HE m1 BRECHTELL .By MAQ AUnited States Patent O1 Patented Oct. 26, 1971 U.S. Cl. 101-1 3 Claims ABSTRACT OF THE DISCLOSURE A cylinder having a coarse surface and pivotably mounted adjacent to the drum of a printing machine so that the cylinder can be urged against the mounting sheet retained on the drum to smoothen out and tension the mounting when the drum is rotated against the cylinder. A ratchet catch is also provided for holding the cylinder out of contact with the drum when it is not in use.
This invention relates generally to a device for tensioning the mounting onto printing machines. More specifically, this invention relates to a device for stretching mountings onto printing machines which produce large size paper prints.
Normally with printing machines which produce large size paper prints, at least two persons are needed for putting the mounting onto the machine in a wrinkle free condition. One of the persons is usually needed to move the machine while the other is needed to smooth the mounting in a wrinkle free condition onto the machine. During such manual operation, it is often found that the mounting is not evenly tensioned around the total width of the printing drum. When this occurs, the hardness of the mounting becomes uneven so that the printing becomes inconsistent on the paper print.
In order to overcome the aforementioned disadvantages of conventional mountings, this invention provides a device which effects a fool proof, wrinkle free mounting and tensioning of the mount, so that only one person is needed to mount and service the printing machine.
The device is provided adjacent to, and parallel to the upper surface of the printing drum and adjacent its retaining means. 'Ihe smoothening device is provided with a coarse surface, preferably plush, which engages the upper surface of the printing press drum.
In its preferred embodiment, the smoothening device is maintain in a position away from the printing press drum by means of a ratchet. The coarse surface of the smoothening device may be tensioned together with an intermediate elastic layer disposed on the smoothening device.
In `a further embodiment, the stationary cylinder mayv be moved along a longitudinal axis after loosening its arresting nuts.
IIt is therefore an object according to the present invention to provide a smoothening device for conventional printing machines which applies the mounting to the printing drum in a wrinkle free condition.
It is another object according to the present invention to provide a smoothening device for printing drums which permits the mounting to be applied to the printing machine by a single operator.
It is still a further object according to the present invention to provide a smoothening device for use on printmachines which is simple in design, easy to manufacture and install, and reliable in operation.
Other objects and features of the present invention will become apparent from the following detailed description considered in connection with the accompanying drawing which discloses the embodiments of the present invention. It should be understood, however, that the drawing is designed for the purpose of illustration only and not as a denition of the limits of the invention as to which reference should be made to the appended claims.
In the drawing wherein similar reference characters denote similar elements throughout the several views:
FIG. 1 is a side view partly in cross-section of the device of the invention; and
FIG. 2 is a cross-sectional view of the cylinder taken along section II-II of IFIG. l.
Referring to FIG. 1, there is shown the device for tensioning and smoothening the mounting onto a printing press drum 6. The device is shown positioned away from printing press drum 6. If a new mounting is to be applied onto the printing press drum, lthe device and stationary or non-rotatable cylinder 1 is moved into the position indicated by the broken line in FIG. l. To pivot cylinder 1 into its broken line position, the cylinder is mounted by means of a pivot bolt 2 on a lateral support 3 which in turn is supported by an adjustable abutment 4. Thus, one merely lifts the ratchet catch 16' off of ratchet pin 16a, thereby permitting support brackets 8 to pivot about bolt 2. In construction, ratchet catch 1'6. extends outwardly from lateral support '3 by means of threaded screw stud 16b. Cylinder 1 is applied onto the surface of printing press drum `6 at a position following retaining means 5, and smoothens or flattens rubber mounting cloth or sheet 7 during movement of printing press drum 6 by a single operator in the direction of the arrow (FIG. 1). Cylinder 1 is sufficiently wide to engage the entire width of mounting sheet 7.
As can be seen in FIG. 2, cylinder 1 is mounted on a pair of parallel support brackets 8 by means of stationary trunnion bolts 9 and 10. Cylinder body 11 is mounted so that end portions 12 receive bolts 9l and 10, and are retained by axial nuts 1G, so that lateral and rotational movement is impossible. However, the position of cylinder body 11 is `adjustable along bolts 9 and 10 by loosening retaining nuts 13. An elastic intermediate layer 14 is mounted over the cylinder body and is covered by a coarse layer 15, preferably plush for contact with the surface of mounting 7.
After rubber cloth 7 is smoothened and tensioned, cylinder 1 is pivotably retracted away from printing press drum 6 and mounted against lateral support 3 by means of ratchet catch 16. Nuts 113 can be loosened to permit a new portion of surface 15 to engage mounting 7 if the old portion becomes worn.
While only a single embodiment of the present invention has been shown and described, it will be understood that many changes and modifications may be made thereunto without departing from the spirit and scope of the invention as dened by the appended claims.
What is claimed is:
1. An apparatus for tensioning and smoothening a, mounting retained on a printing press drum, comprising:
a pair of parallel spaced-apart support brackets for mounting against the printing press;
an elongated axial stud for rotatably supporting said pair of support brackets on the printing press;
a non -rotatable cylinder trunnioned on the ends of said support brackets, said brackets having a first position for engaging said cylinder against the mounting of the printing press drum and a second position for removing said cylinder from the mounting of the drum;
a catch secured to the printing press for engaging said support brackets to hold said cylinder in the second position, including a pin extending outwardly from one of said pair of support brackets having its longitudinal axis parallel with the longitudinal axis of said cylinder, said catch having one end mounted to the printing press and including a recess on its other end for engaging said pin; and
a threaded stud rotatably engaging one of said pair of support brackets so as to provide adjustable abutment of said pair of brackets with the printing press drum.
2. The apparatus as recited in claim 1, wherein said cylinder comprises;
an axle having its ends trunnioned in the arms of said pair of parallel spaced-apart support brackets,
a cylindrical body portion supported on said axle,
an elastic layer mounted over said body portion, and
a coarse layer mounted over said elastic layer for slidable engagement with the mounting on the printing press drum.
3. The apparatus as recited in claim 2, wherein said axle includes a pair of axial bolts, each having at least one restraining nut threadably engaging each end of said body portion in order to prevent rotatable movement of said cylinder about and along its longitudinal axis.
References Cited UNITED STATES PATENTS 8/1923 White 101--177 9/1929 Roesen 101-219 X 10/1965 Henkel 101-352 UX 8/1908 Mason lOl-219 10/1934 Brawn lOl- 247 7/1936 Finch lOl-409 X 8/1936 Finch lOl-4115 IX 4/1938 Hemmerich 38-52 UX 4/1953 McKay 101-329 X 3/1967 Grembecki et al. lOl-425 FOREIGN PATENTS 7/1958 Germany lOl-217 2/1938 Germany lOl-401.3
lOl-415.1
U.S. Cl. XR.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1611294 | 1967-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3614926A true US3614926A (en) | 1971-10-26 |
Family
ID=5681694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US767797A Expired - Lifetime US3614926A (en) | 1967-11-16 | 1968-10-15 | Device for tensioning the mounting sheet onto printing machines |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3614926A (en) |
| CH (1) | CH477977A (en) |
| FR (1) | FR1591675A (en) |
| GB (1) | GB1211281A (en) |
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3828672A (en) * | 1972-10-17 | 1974-08-13 | American Bank Note Co | Apparatus for fitting flexible printing plates and rigging to printing press cylinders |
| US4412488A (en) * | 1980-05-26 | 1983-11-01 | Ryobi Ltd. | Automatic printing machine |
| US4766811A (en) * | 1985-11-08 | 1988-08-30 | M.A.N.-Roland Druckmaschinen Aktiengesellschaft | Apparatus for and method of protecting the circumferential surface of a printing cylinder and protective cylinder |
| US5259314A (en) * | 1989-12-06 | 1993-11-09 | Komori Corporation | Plate mounting apparatus for printing press |
| US6339988B1 (en) * | 1997-06-03 | 2002-01-22 | Koenig & Bauer Aktiengellschaft | Cylinder with a rubber cover |
| US20070256582A1 (en) * | 2006-05-02 | 2007-11-08 | Komori Corporation | Processing device |
| US7658196B2 (en) | 2005-02-24 | 2010-02-09 | Ethicon Endo-Surgery, Inc. | System and method for determining implanted device orientation |
| US7775966B2 (en) | 2005-02-24 | 2010-08-17 | Ethicon Endo-Surgery, Inc. | Non-invasive pressure measurement in a fluid adjustable restrictive device |
| US7775215B2 (en) | 2005-02-24 | 2010-08-17 | Ethicon Endo-Surgery, Inc. | System and method for determining implanted device positioning and obtaining pressure data |
| US7844342B2 (en) | 2008-02-07 | 2010-11-30 | Ethicon Endo-Surgery, Inc. | Powering implantable restriction systems using light |
| US7927270B2 (en) | 2005-02-24 | 2011-04-19 | Ethicon Endo-Surgery, Inc. | External mechanical pressure sensor for gastric band pressure measurements |
| US8016745B2 (en) | 2005-02-24 | 2011-09-13 | Ethicon Endo-Surgery, Inc. | Monitoring of a food intake restriction device |
| US8016744B2 (en) | 2005-02-24 | 2011-09-13 | Ethicon Endo-Surgery, Inc. | External pressure-based gastric band adjustment system and method |
| US8034065B2 (en) | 2008-02-26 | 2011-10-11 | Ethicon Endo-Surgery, Inc. | Controlling pressure in adjustable restriction devices |
| US8057492B2 (en) | 2008-02-12 | 2011-11-15 | Ethicon Endo-Surgery, Inc. | Automatically adjusting band system with MEMS pump |
| US8066629B2 (en) | 2005-02-24 | 2011-11-29 | Ethicon Endo-Surgery, Inc. | Apparatus for adjustment and sensing of gastric band pressure |
| US8100870B2 (en) | 2007-12-14 | 2012-01-24 | Ethicon Endo-Surgery, Inc. | Adjustable height gastric restriction devices and methods |
| US8114345B2 (en) | 2008-02-08 | 2012-02-14 | Ethicon Endo-Surgery, Inc. | System and method of sterilizing an implantable medical device |
| US8142452B2 (en) | 2007-12-27 | 2012-03-27 | Ethicon Endo-Surgery, Inc. | Controlling pressure in adjustable restriction devices |
| US8152710B2 (en) | 2006-04-06 | 2012-04-10 | Ethicon Endo-Surgery, Inc. | Physiological parameter analysis for an implantable restriction device and a data logger |
| US8187162B2 (en) | 2008-03-06 | 2012-05-29 | Ethicon Endo-Surgery, Inc. | Reorientation port |
| US8187163B2 (en) | 2007-12-10 | 2012-05-29 | Ethicon Endo-Surgery, Inc. | Methods for implanting a gastric restriction device |
| US8192350B2 (en) | 2008-01-28 | 2012-06-05 | Ethicon Endo-Surgery, Inc. | Methods and devices for measuring impedance in a gastric restriction system |
| US8221439B2 (en) | 2008-02-07 | 2012-07-17 | Ethicon Endo-Surgery, Inc. | Powering implantable restriction systems using kinetic motion |
| US8233995B2 (en) | 2008-03-06 | 2012-07-31 | Ethicon Endo-Surgery, Inc. | System and method of aligning an implantable antenna |
| US8337389B2 (en) | 2008-01-28 | 2012-12-25 | Ethicon Endo-Surgery, Inc. | Methods and devices for diagnosing performance of a gastric restriction system |
| US8377079B2 (en) | 2007-12-27 | 2013-02-19 | Ethicon Endo-Surgery, Inc. | Constant force mechanisms for regulating restriction devices |
| US8591395B2 (en) | 2008-01-28 | 2013-11-26 | Ethicon Endo-Surgery, Inc. | Gastric restriction device data handling devices and methods |
| US8591532B2 (en) | 2008-02-12 | 2013-11-26 | Ethicon Endo-Sugery, Inc. | Automatically adjusting band system |
| US8870742B2 (en) | 2006-04-06 | 2014-10-28 | Ethicon Endo-Surgery, Inc. | GUI for an implantable restriction device and a data logger |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3434670A1 (en) * | 1984-09-21 | 1986-04-03 | Basf Ag, 6700 Ludwigshafen | DEVICE FOR COVERING A FORM CYLINDER WITH A WRAPPING PLATE |
| DE102015203326B4 (en) * | 2015-02-25 | 2019-02-21 | Koenig & Bauer Ag | Device for laying at least one metal blanket on a arranged between two opposing frame walls cylinder |
-
1968
- 1968-10-15 US US767797A patent/US3614926A/en not_active Expired - Lifetime
- 1968-11-07 GB GB52729/68A patent/GB1211281A/en not_active Expired
- 1968-11-07 FR FR1591675D patent/FR1591675A/fr not_active Expired
- 1968-11-14 CH CH1702568A patent/CH477977A/en not_active IP Right Cessation
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3828672A (en) * | 1972-10-17 | 1974-08-13 | American Bank Note Co | Apparatus for fitting flexible printing plates and rigging to printing press cylinders |
| US4412488A (en) * | 1980-05-26 | 1983-11-01 | Ryobi Ltd. | Automatic printing machine |
| US4766811A (en) * | 1985-11-08 | 1988-08-30 | M.A.N.-Roland Druckmaschinen Aktiengesellschaft | Apparatus for and method of protecting the circumferential surface of a printing cylinder and protective cylinder |
| US5259314A (en) * | 1989-12-06 | 1993-11-09 | Komori Corporation | Plate mounting apparatus for printing press |
| US6339988B1 (en) * | 1997-06-03 | 2002-01-22 | Koenig & Bauer Aktiengellschaft | Cylinder with a rubber cover |
| US7658196B2 (en) | 2005-02-24 | 2010-02-09 | Ethicon Endo-Surgery, Inc. | System and method for determining implanted device orientation |
| US8066629B2 (en) | 2005-02-24 | 2011-11-29 | Ethicon Endo-Surgery, Inc. | Apparatus for adjustment and sensing of gastric band pressure |
| US7775966B2 (en) | 2005-02-24 | 2010-08-17 | Ethicon Endo-Surgery, Inc. | Non-invasive pressure measurement in a fluid adjustable restrictive device |
| US7775215B2 (en) | 2005-02-24 | 2010-08-17 | Ethicon Endo-Surgery, Inc. | System and method for determining implanted device positioning and obtaining pressure data |
| US7927270B2 (en) | 2005-02-24 | 2011-04-19 | Ethicon Endo-Surgery, Inc. | External mechanical pressure sensor for gastric band pressure measurements |
| US8016745B2 (en) | 2005-02-24 | 2011-09-13 | Ethicon Endo-Surgery, Inc. | Monitoring of a food intake restriction device |
| US8016744B2 (en) | 2005-02-24 | 2011-09-13 | Ethicon Endo-Surgery, Inc. | External pressure-based gastric band adjustment system and method |
| US8870742B2 (en) | 2006-04-06 | 2014-10-28 | Ethicon Endo-Surgery, Inc. | GUI for an implantable restriction device and a data logger |
| US8152710B2 (en) | 2006-04-06 | 2012-04-10 | Ethicon Endo-Surgery, Inc. | Physiological parameter analysis for an implantable restriction device and a data logger |
| US20070256582A1 (en) * | 2006-05-02 | 2007-11-08 | Komori Corporation | Processing device |
| US8187163B2 (en) | 2007-12-10 | 2012-05-29 | Ethicon Endo-Surgery, Inc. | Methods for implanting a gastric restriction device |
| US8100870B2 (en) | 2007-12-14 | 2012-01-24 | Ethicon Endo-Surgery, Inc. | Adjustable height gastric restriction devices and methods |
| US8377079B2 (en) | 2007-12-27 | 2013-02-19 | Ethicon Endo-Surgery, Inc. | Constant force mechanisms for regulating restriction devices |
| US8142452B2 (en) | 2007-12-27 | 2012-03-27 | Ethicon Endo-Surgery, Inc. | Controlling pressure in adjustable restriction devices |
| US8337389B2 (en) | 2008-01-28 | 2012-12-25 | Ethicon Endo-Surgery, Inc. | Methods and devices for diagnosing performance of a gastric restriction system |
| US8192350B2 (en) | 2008-01-28 | 2012-06-05 | Ethicon Endo-Surgery, Inc. | Methods and devices for measuring impedance in a gastric restriction system |
| US8591395B2 (en) | 2008-01-28 | 2013-11-26 | Ethicon Endo-Surgery, Inc. | Gastric restriction device data handling devices and methods |
| US8221439B2 (en) | 2008-02-07 | 2012-07-17 | Ethicon Endo-Surgery, Inc. | Powering implantable restriction systems using kinetic motion |
| US7844342B2 (en) | 2008-02-07 | 2010-11-30 | Ethicon Endo-Surgery, Inc. | Powering implantable restriction systems using light |
| US8114345B2 (en) | 2008-02-08 | 2012-02-14 | Ethicon Endo-Surgery, Inc. | System and method of sterilizing an implantable medical device |
| US8057492B2 (en) | 2008-02-12 | 2011-11-15 | Ethicon Endo-Surgery, Inc. | Automatically adjusting band system with MEMS pump |
| US8591532B2 (en) | 2008-02-12 | 2013-11-26 | Ethicon Endo-Sugery, Inc. | Automatically adjusting band system |
| US8034065B2 (en) | 2008-02-26 | 2011-10-11 | Ethicon Endo-Surgery, Inc. | Controlling pressure in adjustable restriction devices |
| US8187162B2 (en) | 2008-03-06 | 2012-05-29 | Ethicon Endo-Surgery, Inc. | Reorientation port |
| US8233995B2 (en) | 2008-03-06 | 2012-07-31 | Ethicon Endo-Surgery, Inc. | System and method of aligning an implantable antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1591675A (en) | 1970-05-04 |
| CH477977A (en) | 1969-09-15 |
| GB1211281A (en) | 1970-11-04 |
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