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GB441779A - An apparatus for punching index cards - Google Patents

An apparatus for punching index cards

Info

Publication number
GB441779A
GB441779A GB21872/34A GB2187234A GB441779A GB 441779 A GB441779 A GB 441779A GB 21872/34 A GB21872/34 A GB 21872/34A GB 2187234 A GB2187234 A GB 2187234A GB 441779 A GB441779 A GB 441779A
Authority
GB
United Kingdom
Prior art keywords
slots
card
bed
head
cutters
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
GB21872/34A
Other languages
English (en)
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.)
CUTHBERT WILLIAM CAVE
Original Assignee
CUTHBERT WILLIAM CAVE
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 CUTHBERT WILLIAM CAVE filed Critical CUTHBERT WILLIAM CAVE
Priority to GB21872/34A priority Critical patent/GB441779A/en
Priority to DEE47303D priority patent/DE642913C/de
Priority to FR806205D priority patent/FR806205A/fr
Priority to US39339A priority patent/US2049003A/en
Publication of GB441779A publication Critical patent/GB441779A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
    • G06K21/06—Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
GB21872/34A 1934-07-26 1934-07-26 An apparatus for punching index cards Expired GB441779A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB21872/34A GB441779A (en) 1934-07-26 1934-07-26 An apparatus for punching index cards
DEE47303D DE642913C (de) 1934-07-26 1935-08-29 Maschine zum Lochen von Karten
FR806205D FR806205A (fr) 1934-07-26 1935-09-04 Procédé et appareil pour perforer des cartes pour répertoire
US39339A US2049003A (en) 1934-07-26 1935-09-05 Apparatus for punching index cards

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21872/34A GB441779A (en) 1934-07-26 1934-07-26 An apparatus for punching index cards

Publications (1)

Publication Number Publication Date
GB441779A true GB441779A (en) 1936-01-27

Family

ID=10170224

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21872/34A Expired GB441779A (en) 1934-07-26 1934-07-26 An apparatus for punching index cards

Country Status (4)

Country Link
US (1) US2049003A (de)
DE (1) DE642913C (de)
FR (1) FR806205A (de)
GB (1) GB441779A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439029A (en) * 1945-05-14 1948-04-06 Mcbee Co Combined card punching and slotting machine
NL147621B (nl) * 1948-07-17 Unilever Nv Werkwijze voor het opnemen van zetmeel in vlees en gevormd gedroogd vleesprodukt.
US2714928A (en) * 1952-01-30 1955-08-09 Rotkin Israel Selectively operated punches mounted in an airtight compartment
DE1118513B (de) * 1959-05-23 1961-11-30 Standard Elektrik Lorenz Ag Codiereinrichtung fuer eine manuell betaetigbare Locheinrichtung
US3452925A (en) * 1967-05-31 1969-07-01 Mosler Safe Co Card punching and notching method and apparatus

Also Published As

Publication number Publication date
DE642913C (de) 1937-03-19
FR806205A (fr) 1936-12-10
US2049003A (en) 1936-07-28

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