DE3869643D1 - LETTER HOLE. - Google Patents

LETTER HOLE.

Info

Publication number
DE3869643D1
DE3869643D1 DE8888100746T DE3869643T DE3869643D1 DE 3869643 D1 DE3869643 D1 DE 3869643D1 DE 8888100746 T DE8888100746 T DE 8888100746T DE 3869643 T DE3869643 T DE 3869643T DE 3869643 D1 DE3869643 D1 DE 3869643D1
Authority
DE
Germany
Prior art keywords
lever
punch
punches
slider
spring
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 - Fee Related
Application number
DE8888100746T
Other languages
German (de)
Inventor
Gerhard Sixt
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.)
LEITZ FA LOUIS
Original Assignee
LEITZ FA LOUIS
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 LEITZ FA LOUIS filed Critical LEITZ FA LOUIS
Priority to DE8888100746T priority Critical patent/DE3869643D1/en
Application granted granted Critical
Publication of DE3869643D1 publication Critical patent/DE3869643D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B26F1/04—Perforating by punching, e.g. with relatively-reciprocating punch and bed with selectively-operable punches
    • 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

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)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Paper (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

A punch for punching filing holes in paper has a base (1) which supports the actuating lever (2). The lever presses two parallel punches (3) downwards against springs (4). At least one of the punches is actuated through a spring-loaded slider (5) mounted in the lever. The slider can be pushed against another spring (8) so that the punch actuating head (6) is pushed clear of the upper end of the punch. In this position, pressing down the lever actuates only one of the punches so that only a single hole is punched.
DE8888100746T 1987-03-02 1988-01-20 LETTER HOLE. Expired - Fee Related DE3869643D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8888100746T DE3869643D1 (en) 1987-03-02 1988-01-20 LETTER HOLE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873706695 DE3706695A1 (en) 1987-03-02 1987-03-02 LETTER HOLE
DE8888100746T DE3869643D1 (en) 1987-03-02 1988-01-20 LETTER HOLE.

Publications (1)

Publication Number Publication Date
DE3869643D1 true DE3869643D1 (en) 1992-05-07

Family

ID=6322115

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19873706695 Ceased DE3706695A1 (en) 1987-03-02 1987-03-02 LETTER HOLE
DE8888100746T Expired - Fee Related DE3869643D1 (en) 1987-03-02 1988-01-20 LETTER HOLE.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19873706695 Ceased DE3706695A1 (en) 1987-03-02 1987-03-02 LETTER HOLE

Country Status (5)

Country Link
EP (1) EP0280858B1 (en)
JP (1) JPS63229299A (en)
AT (1) ATE74307T1 (en)
DE (2) DE3706695A1 (en)
ES (1) ES2030770T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006027009B4 (en) * 2006-06-08 2011-09-15 Esselte Leitz Gmbh & Co. Kg paper punch
JP5875490B2 (en) * 2012-09-07 2016-03-02 典政 佐々木 2-hole punch

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE420124C (en) * 1922-09-30 1925-10-16 Henri Waldschmidt Adjustable punch, in which the pressure element acting on the punch is only in constant contact with a punch
US1655315A (en) * 1927-06-24 1928-01-03 Boorum & Pease Company Punch
US2764240A (en) * 1953-09-23 1956-09-25 Acco Products Inc Perforating devices

Also Published As

Publication number Publication date
JPS63229299A (en) 1988-09-26
EP0280858A2 (en) 1988-09-07
EP0280858A3 (en) 1990-12-05
DE3706695A1 (en) 1988-09-15
EP0280858B1 (en) 1992-04-01
ATE74307T1 (en) 1992-04-15
ES2030770T3 (en) 1992-11-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee