GB1172819A - Keyboard Mechanisms. - Google Patents

Keyboard Mechanisms.

Info

Publication number
GB1172819A
GB1172819A GB57815/66A GB5781566A GB1172819A GB 1172819 A GB1172819 A GB 1172819A GB 57815/66 A GB57815/66 A GB 57815/66A GB 5781566 A GB5781566 A GB 5781566A GB 1172819 A GB1172819 A GB 1172819A
Authority
GB
United Kingdom
Prior art keywords
key
permutation
slide
slides
depressed
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
GB57815/66A
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.)
Friden Inc
Original Assignee
Friden Inc
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 Friden Inc filed Critical Friden Inc
Publication of GB1172819A publication Critical patent/GB1172819A/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
    • 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

Landscapes

  • Push-Button Switches (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
GB57815/66A 1966-01-25 1966-12-23 Keyboard Mechanisms. Expired GB1172819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US522873A US3327828A (en) 1966-01-25 1966-01-25 Keyboard mechanism having latch means

Publications (1)

Publication Number Publication Date
GB1172819A true GB1172819A (en) 1969-12-03

Family

ID=24082714

Family Applications (1)

Application Number Title Priority Date Filing Date
GB57815/66A Expired GB1172819A (en) 1966-01-25 1966-12-23 Keyboard Mechanisms.

Country Status (4)

Country Link
US (1) US3327828A (xx)
DE (1) DE1549412A1 (xx)
GB (1) GB1172819A (xx)
NL (1) NL6701168A (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1561298A1 (de) * 1966-08-25 1970-03-19 Siemens Ag Tastatur fuer kraftgetriebene Schreibmaschinen
US3458024A (en) * 1967-09-18 1969-07-29 Ibm Typebar drive including reciprocating linear moving cyclic means
US3565231A (en) * 1967-11-01 1971-02-23 Singer Co Key shift mechanism
US3554348A (en) * 1967-11-01 1971-01-12 Singer Co Key lock shift mechanism
US3573372A (en) * 1968-05-31 1971-04-06 Singer Co Keyboard pacing mechanism
US3616886A (en) * 1969-07-02 1971-11-02 Singer Co Compact low silhouette keyboard mechanism
US3679038A (en) * 1970-07-27 1972-07-25 Singer Co Electrical circuit for impact contact keyboard
US3700087A (en) * 1970-07-27 1972-10-24 Singer Co Pawl actuator and locking mechanism for impact contact keyboard
GB1394250A (en) * 1971-07-20 1975-05-14 Olivetti & Co Spa Coded input and output apparatus in a typewriter
DE2310593C3 (de) * 1973-03-02 1981-11-26 Triumph-Adler Aktiengesellschaft für Büro- und Informationstechnik, 8500 Nürnberg Eingabevorrichtung für Schreib- oder ähnliche Maschinen
GB1493803A (en) * 1973-11-28 1977-11-30 Moffatt R Writing apparatus

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US62637A (en) * 1867-03-05 William h
US3152759A (en) * 1964-10-13 Interlocked open keyboards with electric restoring
US201572A (en) * 1878-03-19 Improvement in strikers for spring locks and latches
NL256795A (xx) * 1959-10-14
US3014569A (en) * 1960-03-28 1961-12-26 Ibm Keyboard mechanism
GB914019A (xx) * 1960-09-28
US3086635A (en) * 1961-07-14 1963-04-23 Ibm Keylever storage mechanism
US3239049A (en) * 1962-06-27 1966-03-08 Ibm Impression control mechanism automatically selecting one of a plurality of cams
US3189153A (en) * 1962-07-03 1965-06-15 Ibm Keyboard
US3191740A (en) * 1962-07-24 1965-06-29 Royal Mcbee Corp Keylever signal storing mechanism
US3129800A (en) * 1963-03-18 1964-04-21 Benedict E Bogeaus Strip embossing implement
US3135371A (en) * 1963-03-18 1964-06-02 Ibm Means to prevent machine operation upon depression of plural keys

Also Published As

Publication number Publication date
DE1549412A1 (de) 1971-02-18
US3327828A (en) 1967-06-27
NL6701168A (xx) 1967-07-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]