EP0689497B1 - Punching devices - Google Patents

Punching devices Download PDF

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Publication number
EP0689497B1
EP0689497B1 EP92923024A EP92923024A EP0689497B1 EP 0689497 B1 EP0689497 B1 EP 0689497B1 EP 92923024 A EP92923024 A EP 92923024A EP 92923024 A EP92923024 A EP 92923024A EP 0689497 B1 EP0689497 B1 EP 0689497B1
Authority
EP
European Patent Office
Prior art keywords
punch
members
punching device
additional
punch body
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
Application number
EP92923024A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0689497A1 (en
Inventor
Geoffrey The Woodland Felton
Stephen Christopher Watkins
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.)
Acco-Uk Ltd
Acco Rexel Group Services Ltd
Original Assignee
Acco Rexel Group Services Ltd
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 Acco Rexel Group Services Ltd filed Critical Acco Rexel Group Services Ltd
Publication of EP0689497A1 publication Critical patent/EP0689497A1/en
Application granted granted Critical
Publication of EP0689497B1 publication Critical patent/EP0689497B1/en
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
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14—Punching tools; Punching dies
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/10—Hand or foot actuated means
    • 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
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/04—Perforating by punching, e.g. with relatively-reciprocating punch and bed with selectively-operable punches

Definitions

  • This invention is concerned with punching devices.
  • Punching devices are in common use, to punch a row of holes along one edge of material, such as a stack of paper, to enable the stack to be bound together, such as by a comb binder or a wire binder.
  • a punching device is known from WO-A-910-1224 which comprises a support means onto which material to be punched may be located, a punch mechanism comprising a body, and a plurality of punch members formed integrally with the punch body; the support means being provided with apertures to receive the punch members on passage through the material; and means to move the punch body from a retracted position in which the punch members are spaced from the support means and an advanced position in which the punch members extend through the apertures.
  • a punching device comprising a support means upon which material to be punched may be located; a punch mechanism comprising a body ad a plurality of punch members formed integrally with the punch body; the support means being provided with apertures to receive the punch members on passage through the material; and means to move the punch body from a retracted position in which the punch members are spaced from the support means and an advanced position in which the punch members extend through the apertures; characterised in that there is provided at least one additional punch member mounted on the punch body for longitudinal sliding movement relative thereto, locking means being provided in relation to said additional punch member which is movable between an inoperative condition in which said additional punch member is capable of longitudinal movement relative to the punch body in a retractive direction, and an operative condition in which such relative movement is prevented and said additional punch member moves with the punch body.
  • said additional punch member may be utilised, where it is desired to provide a relatively long array of holes, by movement of the locking means into its operative condition, and may be "taken out” by movement of the locking means to its inoperative condition where it is desired to provide a shorter array of holes.
  • the locking means is resiliently urged, such as by spring means, from its inoperative into its operative condition, operative means being provided to permit the locking means to be moved to its inoperative condition.
  • said operative means is adapted for manual operation, such as by finger-operation.
  • each additional punch member is mounted on the punch body in such a manner that, on movement of the punch body towards its advanced position with the locking means in inoperative condition, said additional punch member is carried initially towards material located by the support means, and thereafter remains stationary whilst the punch body continues to advance, producing movement of the auxiliary punch member relative to the punch body in a retractive direction.
  • the punch device comprises means whereby each additional punch member when at rest adopts a lowermost position, preferably a position in which it is in line with the remainder of the punch members.
  • the locking means is provided by a member mounted for movement on the punch body, preferably for pivotal movement, between an inoperative position and an operative position in which it affords an abutment between the punch body and the additional punch member, so that the additional punch member moves in a unitary manner with the punch body, and the fixed punch members.
  • the punching device comprises a plurality of such additional punch members, conveniently three.
  • the punch body and the fixed punch members are provided by a punch plate, the plate being provided with rack formations, the device comprising pinion means engageable with the rack formations to enable the punch plate to be moved in a punching operation.
  • the punching device comprises twin pinions which may be driven by power means, but which are conveniently rotated, to carry the punch plate to an advanced position, by a manually-operated handle.
  • the punch members are tapered, having a waist portion which is narrower than an operative edge portion in at least one dimension, preferably two dimensions extending mutually at right angles.
  • the punch members on being driven through a stack of sheets in a punching operation, may more readily be withdrawn through the sheets with reduced stiction.
  • the punching device which is the preferred embodiment of the invention comprises a housing 6 carrying a punch mechanism 7 comprising a main punch body 8 in the form of a plate for rectilinear sliding movement, the punch body comprising a driving rack 10 extending downwardly along each side, and a plurality of integral punch members 12 projecting downwardly in staggered array.
  • the punch body 8 is mounted above a support means 16, said support means providing a channel 18 in which a stack S of material such as sheets of paper may be located, a linear array of lower die apertures 20, and two linear arrays of superposed guide apertures 22 and 24, said three arrays of die apertures comprising one aperture in each array for each of the punch members 12.
  • the device comprises an operating handle 30, pivotally mounted on the housing 6, and carrying drive pinions 32 engageable with the racks 10, so that by movement of the handle 30 in the direction of the arrow A of Figure 1, the punch body 8 may be caused to move downwardly relative to the housing, between an upper, retracted position, shown in Figure 1, and a lower, advanced position, shown in chain dotted lines in Figure 3.
  • Such movement of the operating member 30 causes the punch members to move within the guide apertures 22 and 24, through the stack of material S, and through the lower aperture 20, effecting the operation of punching a series of holes into the stack of paper.
  • the punch body additionally carries a plurality, specifically three, auxiliary punch members 12 a , each of which being mounted on the main body 8 by a dovetail formation in a manner in which the punch member 12 a is capable of longitudinal sliding movement relative to the main body, being permitted to fall under gravity into a rest position (shown in full lines in Figures 2 and 3) defined by engagement between a shoulder 13 of the punch member 12 a and a finger 15 of the punch body in which it is retained in position in line with the remainder of the punch members 12.
  • a rest position shown in full lines in Figures 2 and 3
  • each locking device 40 Associated with each auxiliary punch member 12 a , is a locking device 40, each locking device comprising a locking member 42 pivotally mounted on pivot 44 and movable between an inoperative position, shown in Figure 2, and an operative position shown in Figure 3, spring means 46 being provided to urge said locking plate 42 to said operative position, in which the locking plate is interposed between the punch body 8 and the auxiliary punch member 12 a , as is shown in Figure 3, in a way such that on lowering of the punch body 8, the auxiliary punch acts as though it is solid with the punch body 8.
  • Each locking device 40 comprises an operating member 50 pivotally mounted on a casing 52 of the device, and which may be lifted by the insertion of a figure into a recess B to cause a pin 54 to engage behind an arm 56 of the plate 42, to move the locking device against the action of the spring 44 to its inoperative position.
  • the operating member 50 when in the retracted position shown in Figure 2, corresponds to the associated auxiliary punch member being inoperative.
  • the locking device With the locking device inoperative, on lowering of the punch body 8 by use of the handle 30, the punch plate 8 and all of the punch members are lowered, a spring 23 preventing the auxiliary punch member from being carried downwardly into engagement with the stack S. On lifting of the punch body the auxiliary punch is engaged by the finger 15 and lifted. During such movement, the locking device is retained in its inoperative position, with the arm 56 riding against the pin 54.
  • auxiliary punch member 12 a when the locking member is in its inoperative position, will be carried into engagement with the stack S with the integral punch members 12, but will not exert any punching pressure thereon and will remain stationary whilst the integral punch members 12 pass through the stack in a punching operation, whilst any other auxiliary punch member 12 a which is not in alignment with the stack S will pass through the apertures 22, 24, and 20 with the other punch members 12.
  • the operating member 50 remains stationary relative to the housing whilst the punch mechanism moves between its retarded and advanced positions.
  • the operating member 50 When it is desired to bring an auxiliary punch member into operation, the operating member 50 is pressed into the position shown in Figure 3, the spring 46 causing the locking member 40 to move into its operative position, in which it fills the space between a downwardly facing shoulder 17 of the punch body and an upwardly-facing shoulder 13 of the auxiliary punch member, causing the auxiliary punch member to behave as a solid member with the punch body, so that as the punch body is lowered, the auxiliary punch member compresses the spring 23 and passes through the stack of sheets S and through the die aperture 20 in a punching operation.
  • one or more auxiliary punch members 12 a may be taken out of operation to enable a stack of sheets of relatively small size to be provided with apertures along one side edge, but being spaced appropriately from the top and bottom edges.
  • the auxiliary punches may all be brought into operation.
  • all of the punch members 12 and 12 a are tapered, having a waist 12 c which is narrower than the head 12 d in at least the larger dimension (i.e. that dimension along the length of the row of punches, as is shown in Figure 4) and advantageously optionally also in the perpendicular dimension.
  • the tapering is as illustrated curvilinear in nature, although may of course be straight, enabling the punch members more readily to be withdrawn from a stack of sheets upon which a punching operation has been carried out, with reduced frictional forces.

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)
  • Mechanical Treatment Of Semiconductor (AREA)
EP92923024A 1992-05-27 1992-11-13 Punching devices Expired - Lifetime EP0689497B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9211191 1992-05-27
GB929211191A GB9211191D0 (en) 1992-05-27 1992-05-27 Punching devices
PCT/GB1992/002106 WO1993024289A1 (en) 1992-05-27 1992-11-13 Punching devices

Publications (2)

Publication Number Publication Date
EP0689497A1 EP0689497A1 (en) 1996-01-03
EP0689497B1 true EP0689497B1 (en) 1999-02-03

Family

ID=10716075

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92923024A Expired - Lifetime EP0689497B1 (en) 1992-05-27 1992-11-13 Punching devices

Country Status (8)

Country Link
EP (1) EP0689497B1 (da)
JP (1) JPH08501025A (da)
AT (1) ATE176419T1 (da)
AU (1) AU2908292A (da)
DE (1) DE69228395T2 (da)
DK (1) DK0689497T3 (da)
GB (2) GB9211191D0 (da)
WO (1) WO1993024289A1 (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3170737B2 (ja) * 1993-08-25 2001-05-28 カール事務器株式会社 多穴孔明けパンチ
EP0763408A1 (en) * 1995-09-13 1997-03-19 General Binding Corporation Punch selectable punch press
EP0864440A1 (de) * 1997-03-13 1998-09-16 Ibico Ag Stanzeinheit
FR2803789B1 (fr) * 2000-01-14 2002-04-12 Lamirel Appareil de perforation de la zone de bordure d'une feuille ou d'un empilement de feuilles
FR2804360B1 (fr) * 2000-01-27 2002-05-17 Lamirel Ensemble de support de poincons, procede de fabrication et appareil en faisant usage
US6994010B2 (en) 2000-08-14 2006-02-07 Peach Office Products Ltd. Cutting tool for a punching machine, method for producing said cutting tool and punching machine
JP2002331496A (ja) * 2001-05-08 2002-11-19 Kokuyo Co Ltd パンチ
WO2005115764A2 (en) 2004-05-21 2005-12-08 Esselte Punching and binding system and elements thereof
US7739936B2 (en) 2007-01-16 2010-06-22 Lee Tack Plastic & Metal Manufacturing Ltd Paper punch
JP5505859B2 (ja) * 2009-10-23 2014-05-28 株式会社リコー 穿孔装置の製造方法，穿孔装置および用紙折り装置ならびに画像形成装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2957380A (en) * 1957-08-02 1960-10-25 American Photocopy Equip Co Punch
US2985052A (en) * 1958-02-20 1961-05-23 American Photocopy Equip Co Binding hole punch
US3967336A (en) * 1975-04-14 1976-07-06 Nsc International Corporation Punching and binding apparatus
DE3124354C2 (de) * 1981-06-20 1984-08-02 Elektrische Licht- und Kraftanlagen AG, 3588 Homberg Locher für blatt- und folienförmiges Material
IT8321635V0 (it) * 1983-04-22 1983-04-22 Terracciano Flora Gruppo perforatore per una macchina perforatrice e/o rilegatrice per unire fascicoli di fogli con un rilegatore a pettine.
US4604931A (en) * 1985-08-16 1986-08-12 Harris Graphics Corporation Quick change rotary punch
US5007782A (en) * 1989-07-18 1991-04-16 Taurus Tetraconcepts, Inc. Combined paper punch and binding apparatus
US5090859A (en) * 1990-02-20 1992-02-25 General Binding Corporation Automatic binding machine using insertion tools
US5044242A (en) * 1990-05-11 1991-09-03 Tom Chiang Cutter shaft of perforator

Also Published As

Publication number Publication date
WO1993024289A1 (en) 1993-12-09
DK0689497T3 (da) 1999-09-20
GB2280396A (en) 1995-02-01
GB9421086D0 (en) 1994-12-07
EP0689497A1 (en) 1996-01-03
DE69228395T2 (de) 1999-06-24
DE69228395D1 (de) 1999-03-18
AU2908292A (en) 1993-12-30
ATE176419T1 (de) 1999-02-15
GB9211191D0 (en) 1992-07-08
JPH08501025A (ja) 1996-02-06
GB2280396B (en) 1996-05-22

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