GB450662A - Improvements in paper-filing perforators - Google Patents

Improvements in paper-filing perforators

Info

Publication number
GB450662A
GB450662A GB807836A GB807836A GB450662A GB 450662 A GB450662 A GB 450662A GB 807836 A GB807836 A GB 807836A GB 807836 A GB807836 A GB 807836A GB 450662 A GB450662 A GB 450662A
Authority
GB
United Kingdom
Prior art keywords
paper
shannon
punches
lever
edge
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
Application number
GB807836A
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.)
EDGAR FREDERICK SHANNON
Shannon Ltd
Original Assignee
EDGAR FREDERICK SHANNON
Shannon 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 EDGAR FREDERICK SHANNON, Shannon Ltd filed Critical EDGAR FREDERICK SHANNON
Priority to GB807836A priority Critical patent/GB450662A/en
Publication of GB450662A publication Critical patent/GB450662A/en
Expired 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
    • B26F1/32—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

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)

Abstract

450,662. Paper punches. SHANNON, Ltd., and SHANNON, E. F., Shannon Corner, New Malden, Surrey. March 18, 1936, No. 8078. [Class 31 (ii)] In a paper punch in which punches 7 cooperating with holes 12 are operated by a hand-lever 3, a gauge 18 for positioning the paper is provided and is held positively in adjusted position by a turned-up edge 29 of a plate 22 engaging notches 21 ; the edge 29 can be disengaged by depressing a button 24 against a spring 28. The hand-lever 3 is held in a balanced position by oppositely-acting springs 13, 14 and operates the punches by means of eccentrics 4 and eccentric straps 6.
GB807836A 1936-03-18 1936-03-18 Improvements in paper-filing perforators Expired GB450662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB807836A GB450662A (en) 1936-03-18 1936-03-18 Improvements in paper-filing perforators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB807836A GB450662A (en) 1936-03-18 1936-03-18 Improvements in paper-filing perforators

Publications (1)

Publication Number Publication Date
GB450662A true GB450662A (en) 1936-07-22

Family

ID=9845341

Family Applications (1)

Application Number Title Priority Date Filing Date
GB807836A Expired GB450662A (en) 1936-03-18 1936-03-18 Improvements in paper-filing perforators

Country Status (1)

Country Link
GB (1) GB450662A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415539A (en) * 1944-11-15 1947-02-11 Wilson Jones Co Punch
EP1950014A1 (en) * 2007-01-23 2008-07-30 Erwin Müller GmbH Hole puncher
CN101664941B (en) * 2008-07-08 2013-01-02 国誉株式会社 Puncher

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415539A (en) * 1944-11-15 1947-02-11 Wilson Jones Co Punch
EP1950014A1 (en) * 2007-01-23 2008-07-30 Erwin Müller GmbH Hole puncher
CN101664941B (en) * 2008-07-08 2013-01-02 国誉株式会社 Puncher

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