GB1203258A - Device for selectively preventing operation of the keys of typewriters or like machines - Google Patents

Device for selectively preventing operation of the keys of typewriters or like machines

Info

Publication number
GB1203258A
GB1203258A GB48558/67A GB4855867A GB1203258A GB 1203258 A GB1203258 A GB 1203258A GB 48558/67 A GB48558/67 A GB 48558/67A GB 4855867 A GB4855867 A GB 4855867A GB 1203258 A GB1203258 A GB 1203258A
Authority
GB
United Kingdom
Prior art keywords
locking
levers
keys
control bar
operated
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
GB48558/67A
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.)
INTERTIP A G ZWEIGNIEDERLASSUN
Original Assignee
INTERTIP A G ZWEIGNIEDERLASSUN
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 INTERTIP A G ZWEIGNIEDERLASSUN filed Critical INTERTIP A G ZWEIGNIEDERLASSUN
Publication of GB1203258A publication Critical patent/GB1203258A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • B41J5/18—Locks
    • B41J5/22—Interlocks between keys, e.g. without detent arrangements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B13/00—Teaching typing
    • G09B13/04—Devices used in association with a real typewriter, teleprinter, or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Mechanical Control Devices (AREA)
GB48558/67A 1966-10-27 1967-10-25 Device for selectively preventing operation of the keys of typewriters or like machines Expired GB1203258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEJ32110A DE1302087B (de) 1966-10-27 1966-10-27 Tastensperrvorrichtung fuer Schreib- oder aehnliche Maschinen

Publications (1)

Publication Number Publication Date
GB1203258A true GB1203258A (en) 1970-08-26

Family

ID=7204362

Family Applications (1)

Application Number Title Priority Date Filing Date
GB48558/67A Expired GB1203258A (en) 1966-10-27 1967-10-25 Device for selectively preventing operation of the keys of typewriters or like machines

Country Status (6)

Country Link
US (1) US3481444A (enrdf_load_stackoverflow)
CH (1) CH467165A (enrdf_load_stackoverflow)
DE (1) DE1302087B (enrdf_load_stackoverflow)
GB (1) GB1203258A (enrdf_load_stackoverflow)
NL (1) NL6714620A (enrdf_load_stackoverflow)
SE (1) SE329638B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300352A (en) * 1979-09-10 1981-11-17 The Geolograph Company Hydraulic pressure integrator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1504576A (en) * 1922-12-14 1924-08-12 Pope Edwin Typewriter
US2012001A (en) * 1932-05-19 1935-08-20 George N Lemmon Means for facilitating the training of typists
US2320637A (en) * 1938-09-29 1943-06-01 Modigliani Gino Selective blocking arrangement for the keyboards of teleprinters having complete keyboards
US3030009A (en) * 1956-03-05 1962-04-17 Triumph Werke Nuernberg Ag Combined typewriter and marking mechanism
US3021937A (en) * 1960-04-12 1962-02-20 Sperry Rand Corp Selective interlock mechanism
US3045799A (en) * 1960-08-25 1962-07-24 Sperry Rand Corp Keyboard interlock control means

Also Published As

Publication number Publication date
CH467165A (de) 1969-01-15
US3481444A (en) 1969-12-02
SE329638B (enrdf_load_stackoverflow) 1970-10-19
DE1302087B (de) 1969-12-18
NL6714620A (enrdf_load_stackoverflow) 1968-04-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee