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EP0318650A2 - Perforateur avec réceptacle de déchets - Google Patents

Perforateur avec réceptacle de déchets Download PDF

Info

Publication number
EP0318650A2
EP0318650A2 EP88114733A EP88114733A EP0318650A2 EP 0318650 A2 EP0318650 A2 EP 0318650A2 EP 88114733 A EP88114733 A EP 88114733A EP 88114733 A EP88114733 A EP 88114733A EP 0318650 A2 EP0318650 A2 EP 0318650A2
Authority
EP
European Patent Office
Prior art keywords
pan
punch according
punch
transverse
locking
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.)
Granted
Application number
EP88114733A
Other languages
German (de)
English (en)
Other versions
EP0318650B1 (fr
EP0318650A3 (en
Inventor
Theodor Pflugfelder
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.)
Louis Leitz Firma
Original Assignee
Louis Leitz Firma
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 Louis Leitz Firma filed Critical Louis Leitz Firma
Priority to AT88114733T priority Critical patent/ATE74814T1/de
Publication of EP0318650A2 publication Critical patent/EP0318650A2/fr
Publication of EP0318650A3 publication Critical patent/EP0318650A3/de
Application granted granted Critical
Publication of EP0318650B1 publication Critical patent/EP0318650B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/32—Hand-held perforating or punching apparatus, e.g. awls
    • B26F1/36—Punching or perforating pliers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/015—Means for holding or positioning work for sheet material or piles of sheets

Definitions

  • the invention relates to a letter punch with a releasably snapped on a punch lower part of the cut pan of the type specified in the preamble of claim 1.
  • the chip pans of such punchers usually consist of a flexible plastic which, for the purpose of emptying, makes it possible to detach the chip tray from the lower part of the punch without great effort.
  • the schnitzel pan will be detached abruptly and the contents may be accidentally scattered.
  • the invention has for its object to improve the known letter punch of the type mentioned that incorrect operation during the emptying process can be avoided by incorrectly opening or accidentally pulling out the chips pan.
  • the invention is essentially based on the idea that incorrect operation during the emptying process can be prevented by the fact that the chip tray and the lower punch part have a positive connection in the area between the bending axis and the front wall, which is inseparable from the lower punch part when loosening and folding down the rear chip tray part.
  • the chips pan has a transverse wall or cross rib arranged in the front part at a distance from the bending axis, formed on the side walls and / or on the pan bottom, in which at least one cut open to the rear of the chip pan and closed or undercut at the top Recess or recess for the engagement of at least one anchoring cam arranged on the perforated lower part at a distance from the front wall and facing the front wall.
  • reinforcing ribs connected to the tub floor and extending to the bending axis are formed on the outer surface of the transverse wall or transverse rib facing the web.
  • One of the anchoring cams is advantageously arranged in the region of the rear edge of a recess of the downwardly bent side edges of the perforated lower part which is open at the bottom and is suitable for the passage of a stop rail.
  • a further relief during the emptying process while avoiding incorrect operation is achieved in that, in the rear area of the chips pan, an engagement member engaging in a recess of the perforator lower part that is open towards the rear and having the shape of a button, optionally with a handle recess that is open at the bottom, is arranged for the foldable chip pan part.
  • the stop rail serving as a side guide, one of which , the bending axis adjacent transverse wall or rib has the recess or recess for the anchoring cams.
  • the transverse walls or transverse ribs can be connected to one another at their edges opposite the pan bottom by at least one connecting web.
  • On the inside of the schnitzel pan bottom and / or the transverse walls or ribs and / or the connecting web can be arranged at a distance from each other Locking depressions or locking stops for at least one locking pin arranged on the stop rail can be arranged.
  • overlapping recesses are arranged on at least one side wall of the chip pan and on the adjacent side edge of the punch lower part, through which the stop rail engages to produce a locking connection between the front region of the chip pan and the punch lower part.
  • the bottom part 10 of a punch hole shown in the drawing has downwardly curved side edges 12, over which a chips pan 14 is slipped from below, the side and end side walls 16 ', 16', 17 overlap the side edges 12 of the base plate.
  • the hole punch 10 is preferably made of sheet steel, while the chip pan 14 is formed as an injection molded part from a flexible or flexible plastic.
  • the rear part 24 of the chips pan can be bent or folded down in relation to the front part 26 about a bending axis 22 in the pan base 18 which runs parallel to the front edge 20 of the letter punch.
  • the side walls of the chip pan 14 are interrupted in the region of the bending axis 22 to form two separate side wall parts 16 ', 16'.
  • transverse walls 28,30 are arranged, which are formed both on the side wall parts 16 'and on the pan bottom 18.
  • Vertically projecting reinforcing ribs 32 are arranged on the outer surface of the joint-side transverse wall 28, which are also formed on the bottom 18 and extend as far as the bending axis 22.
  • Further reinforcing ribs 34 are arranged between the outer surface of the transverse wall 30 and the end wall 17 of the chip pan 14.
  • the transverse walls 28 and 30 are connected to one another at their free edges opposite the trough bottom 18 by a plurality of webs 36 arranged at a distance from one another.
  • the transverse walls 28, 30, the reinforcing ribs 32, 34, and the webs 36 bring about a mechanical stiffening of the front chip pan part 26.
  • Anchoring cams 40 arranged at a distance from the front edge 20 and facing the front edge 20 can be inserted to form a positive connection.
  • the anchoring cam 40 is located on the rear edge of a recess 46 of the perforated lower part which is open towards the bottom and which overlaps the rectangular channel 48 delimited by the transverse walls 28, 30 in the chip pan 14.
  • the positive connection is additionally reinforced by a snap connection between a front locking edge 42 of the lower part of the punch and a locking groove 44 on the inside of the front boundary wall 17 of the chip pan 14.
  • a stop rail 50 for different paper formats is slidably arranged in the rectangular channel 48, which is open on one side.
  • the cross-sectional dimensions of the stop rail 50, which are adapted to the rectangular channel 48, have latching cams 54 which engage or strike in corresponding latching recesses 56 or against latching edges 58 in the transverse walls 28, 30 or on the webs 36.
  • buttons-shaped actuating element 62 On the rear part 24 in the vicinity of the rear boundary wall of the chip pan 14 there is a button-shaped actuating element 62, which can be releasably latched in the area of a recess of the punch lower part which is open towards the rear.
  • the paper chips produced during punching accumulate exclusively in the rear part 24 of the chip pan, since the rear transverse wall 28 lies tightly against the relevant boundary surface of the lower punch part 10 over its entire length.
  • the fill level of the shredded paper can also be checked from the outside in the case of matt or opaque coloring of the shredded tub at viewing windows 66.
  • the viewing windows can be formed by thinning the material in the pan bottom 18. They advantageously have the shape of oblong rectangles aligned transversely and longitudinally on the tub bottom 18, so that the fill level can be read regardless of the orientation of the perforator. This is also possible if the viewing window extends diagonally across the trough bottom 18 or if it is formed over a large area, for example as a triangle or as a rectangle.
  • the shredder pan is released from the lower punch part 10 by pressing the button 62 and folded down about the bending axis 22. Due to the form-fitting connection in the area of the anchoring pin 40 and the front rib 42, the chip tray in its front part 26 remains firmly connected to the lower punch part even when the rear chip tray part 24 is folded down, so that there is no need to fear inadvertent removal of the entire chip tray from the lower punch part.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Toys (AREA)
EP88114733A 1987-11-28 1988-09-09 Perforateur avec réceptacle de déchets Expired - Lifetime EP0318650B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88114733T ATE74814T1 (de) 1987-11-28 1988-09-09 Brieflocher mit einer auf ein locherunterteil aufgerasteten schnitzelwanne.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3740425 1987-11-28
DE19873740425 DE3740425A1 (de) 1987-11-28 1987-11-28 Brieflocher mit einer auf ein locherunterteil aufgerasteten schnitzelwanne

Publications (3)

Publication Number Publication Date
EP0318650A2 true EP0318650A2 (fr) 1989-06-07
EP0318650A3 EP0318650A3 (en) 1990-12-05
EP0318650B1 EP0318650B1 (fr) 1992-04-15

Family

ID=6341507

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88114733A Expired - Lifetime EP0318650B1 (fr) 1987-11-28 1988-09-09 Perforateur avec réceptacle de déchets

Country Status (4)

Country Link
EP (1) EP0318650B1 (fr)
JP (1) JPH0755478B2 (fr)
AT (1) ATE74814T1 (fr)
DE (2) DE3740425A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999051406A1 (fr) * 1998-04-07 1999-10-14 Acco Rexel Group Services Limited Machine a perforer et a relier
GB2384735A (en) * 2002-01-31 2003-08-06 Acco Uk Ltd Improvements in or relating to a hole punch
EP1950014A1 (fr) * 2007-01-23 2008-07-30 Erwin Müller GmbH Perforeuse

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2045935T3 (es) * 1989-08-21 1994-01-16 Leitz Louis Kg Perforador de papel con guia de posicionamiento.
JP4626314B2 (ja) * 2005-01-20 2011-02-09 マックス株式会社 パンチの底面カバー
CN111975874B (zh) * 2020-07-31 2021-11-19 邵阳县辰宜居家具有限公司 一种木质床架家具生产用的板材裁切设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1888221U (de) * 1964-02-27 Fa. F. Soennecken, Bonn Papierlocher
DE1231669B (de) * 1963-10-01 1967-01-05 Soennecken Fa F Papierlocher
DE2110046A1 (de) * 1969-11-22 1972-09-07 Kraut & Meienborn, 5600 Wuppertal Locher für Schriftgut

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49100605U (fr) * 1972-12-21 1974-08-29

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1888221U (de) * 1964-02-27 Fa. F. Soennecken, Bonn Papierlocher
DE1231669B (de) * 1963-10-01 1967-01-05 Soennecken Fa F Papierlocher
DE2110046A1 (de) * 1969-11-22 1972-09-07 Kraut & Meienborn, 5600 Wuppertal Locher für Schriftgut

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999051406A1 (fr) * 1998-04-07 1999-10-14 Acco Rexel Group Services Limited Machine a perforer et a relier
GB2384735A (en) * 2002-01-31 2003-08-06 Acco Uk Ltd Improvements in or relating to a hole punch
GB2384735B (en) * 2002-01-31 2005-04-06 Acco Uk Ltd Improvements in or relating to a hole punch
EP1950014A1 (fr) * 2007-01-23 2008-07-30 Erwin Müller GmbH Perforeuse

Also Published As

Publication number Publication date
DE3870168D1 (de) 1992-05-21
ATE74814T1 (de) 1992-05-15
JPH01159200A (ja) 1989-06-22
EP0318650B1 (fr) 1992-04-15
DE3740425A1 (de) 1989-06-15
EP0318650A3 (en) 1990-12-05
JPH0755478B2 (ja) 1995-06-14

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