EP0153510A2 - Klemmvorrichtung zum Festklemmen der Enden einer Druckplatte - Google Patents

Klemmvorrichtung zum Festklemmen der Enden einer Druckplatte Download PDF

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Publication number
EP0153510A2
EP0153510A2 EP84201786A EP84201786A EP0153510A2 EP 0153510 A2 EP0153510 A2 EP 0153510A2 EP 84201786 A EP84201786 A EP 84201786A EP 84201786 A EP84201786 A EP 84201786A EP 0153510 A2 EP0153510 A2 EP 0153510A2
Authority
EP
European Patent Office
Prior art keywords
fillet
clamping
rod
length
supporting
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.)
Withdrawn
Application number
EP84201786A
Other languages
English (en)
French (fr)
Other versions
EP0153510A3 (de
Inventor
Hendrikus Wilhelmus Gerardus Dirkx
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0153510A2 publication Critical patent/EP0153510A2/de
Publication of EP0153510A3 publication Critical patent/EP0153510A3/de
Withdrawn legal-status Critical Current

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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
    • B41F27/1218—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices
    • B41F27/1225—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end substantially rectilinearly
    • B41F27/1231—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end substantially rectilinearly by translatory motion substantially tangential to support surface

Definitions

  • the invention relates to a clamping device for clamping the end of a pressure plate to a pressure drum comprising a supporting fillet coupled with said drum and a clamping fillet fastened to the supporting fillet.
  • the invention has for its object to provide a clamping device of the kind set forth above in which the end of the pressure plate can be readily clamped tight and released respectively, whilst even after longer use an effective clamping, of said end of the pressure plate can be ensured.
  • the second clamping fillet Since the contacting faces of the slidable rod and of the second clamping fillet are at an angle to the direction of displacement of the slidable rod, the second clamping fillet will be displaced transversely of its direction of length, when said rod is slid to and fro, in a direction towards the first, stationary clamping fillet or in a direction remote from the first stationary clamping fillet.
  • Such a displacement of the slidable rod can be carried out in a simple manner, whilst with such a displacement a heavy clamping force can be produced. In the case of wear it is only required to displace the slidable rod over a slightly larger distance, but the clamping force to be exerted will not be affected by wear.
  • a further advantage of the construction embodying the invention is that the second clamping fillet can be supported along substantially its whole length so that undesirable deformations of the clamping fillet are avoided, which contributes to the production of an effective clamping force.
  • Fig. 1 schematically shows part of a pressure drum 1, in which a recess 2 extending in the direction of length of the drum is provided in a conventional manner near the outer circumference for receiving clamping devices 3 (only one is shown), with the aid of which the ends of a pressure plate surrounding the drum can be clamped tight.
  • the clamping device 3 comprises a supporting fillet 4 located in the recess 2 and connected with the drum 1 in a manner not shown in detail.
  • This supporting fillet 4 has a groove extending in the direction of length of the supporting fillet for receiving a rod 5 so that this rod 5 is slidable in its direction of length in the groove of the supporting fillet_4.
  • the top face of the slidable rod 5 has a sawtooth-shaped structure so that the top face has a plurality of wedge faces 6 being at an angle to the direction of length of the rod, the ends of said faces 6 being interconnected with the aid of connecting faces 7 being at right angles to the direction of length of the slidable rod 5.
  • a clamping fillet 8 On the rod 5 slidable in its direction of length is bearing a clamping fillet 8, whose lower face bearing on the top face of the rod 5 has a sawtooth-shaped structure like the top face of the rod 5, as will be apparent from Fig. 2.
  • Fig. 1 furthermore shows that the top face of the clamping fillet 8 has a few grooves extending in the direction of length of the clamping fillet 8, which is conventional for clamping fillets of such a clamping device.
  • a protruding nose 11 of a second clamping fillet l2 is clamped tight to the supporting fillet 4 by bolts (not shown). From Fig. 1 it will be seen that the protruding nose 11 of the clamping fillet also has, on its side facing the top face of the clamping fillet 8, grooves extending in the direction of length of the clamping fillet 12.
  • the slidable rod 5 is furthermore provided over part of its length with toothing 14, which is in engagement with a gear wheel 15 located below the clamping fillet 12 in a recess 16 provided for this pupose in the supporting fillet 4.
  • a gear wheel 15 located below the clamping fillet 12 in a recess 16 provided for this pupose in the supporting fillet 4.
  • To the gear wheel 15 is fastened a shaft 17 journalled in the clamping fillet l2.
  • the shaft 17 has a head 18 having a recess 19, into which a key can be inserted for turning the head 18 with the shaft 17 and the gear wheel 15. It will be obvious that such a turn results in a displacement of the elongate rod 5 in its direction of length so that the clamping fillet 8 will move up and down as will be seen from the Figures.
  • the clamping fillet 8 When the end of a pressure plate is inserted into the gap defined by the clamping fillet 8 and the part 11 of the clamping fillet 12, the clamping fillet 8 can be forced upwards towards the projecting part 11 of the clamping fillet 12 by turning the gear wheel 15 whilst the end concerned of the plate is clamped tight.
  • the transmission formed by the toothing 14 on the slidable rod and the gear wheel 15 so as to be self-braking, the slidable rod will remain in the position set.
  • a guard member (not shown) for blocking the gear wheel 15 against a turn in the set position.
  • clamping fillet 8 can be in contact with the slidable rod 5 substantially throughout its length, which rod in turn is supported throughout its length, deformation of the clamping fillet 8 due to forces exerted on the clamping fillet 8 is practically excluded.
  • the slidable rod 5 and/or the clamping fillet - 8 may integrally cover the whole length of the drum or they may be composed of a plurality of parts.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Clamps And Clips (AREA)
EP84201786A 1983-12-02 1984-12-03 Klemmvorrichtung zum Festklemmen der Enden einer Druckplatte Withdrawn EP0153510A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8304152 1983-12-02
NL8304152A NL8304152A (nl) 1983-12-02 1983-12-02 Kleminrichting voor het vastklemmen van het uiteinde van een drukplaat.

Publications (2)

Publication Number Publication Date
EP0153510A2 true EP0153510A2 (de) 1985-09-04
EP0153510A3 EP0153510A3 (de) 1986-12-10

Family

ID=19842815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84201786A Withdrawn EP0153510A3 (de) 1983-12-02 1984-12-03 Klemmvorrichtung zum Festklemmen der Enden einer Druckplatte

Country Status (2)

Country Link
EP (1) EP0153510A3 (de)
NL (1) NL8304152A (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2065584A1 (de) * 1970-12-05 1974-06-06 Koenig & Bauer Ag Klemmvorrichtung fuer biegsame druckplatten
DE2501511A1 (de) * 1975-01-16 1976-07-22 Maschf Augsburg Nuernberg Ag Vorrichtung zum befestigen einer biegsamen druckplatte auf dem plattenzylinder einer rotationsdruckmaschine
DE2501716A1 (de) * 1975-01-17 1976-07-22 Maschf Augsburg Nuernberg Ag Vorrichtung zum befestigen einer biegsamen druckplatte auf dem plattenzylinder einer rotationsdruckmaschine
FR2341437A1 (fr) * 1976-02-19 1977-09-16 Bock Erich Dispositif de serrage pour fixer des plaques d'impression sur une presse d'imprimerie

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2065584A1 (de) * 1970-12-05 1974-06-06 Koenig & Bauer Ag Klemmvorrichtung fuer biegsame druckplatten
DE2501511A1 (de) * 1975-01-16 1976-07-22 Maschf Augsburg Nuernberg Ag Vorrichtung zum befestigen einer biegsamen druckplatte auf dem plattenzylinder einer rotationsdruckmaschine
DE2501716A1 (de) * 1975-01-17 1976-07-22 Maschf Augsburg Nuernberg Ag Vorrichtung zum befestigen einer biegsamen druckplatte auf dem plattenzylinder einer rotationsdruckmaschine
FR2341437A1 (fr) * 1976-02-19 1977-09-16 Bock Erich Dispositif de serrage pour fixer des plaques d'impression sur une presse d'imprimerie

Also Published As

Publication number Publication date
EP0153510A3 (de) 1986-12-10
NL8304152A (nl) 1985-07-01

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