CA940834A - Keyboards - Google Patents

Keyboards

Info

Publication number
CA940834A
CA940834A CA117,018A CA117018A CA940834A CA 940834 A CA940834 A CA 940834A CA 117018 A CA117018 A CA 117018A CA 940834 A CA940834 A CA 940834A
Authority
CA
Canada
Prior art keywords
keyboards
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
CA117,018A
Other versions
CA117018S (en
Inventor
Darrell L. Flory
Edward S. Stork
Dean B. Jackson
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.)
National Cash Register Co
Original Assignee
National Cash Register Co
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 National Cash Register Co filed Critical National Cash Register Co
Application granted granted Critical
Publication of CA940834A publication Critical patent/CA940834A/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
    • B41J5/14—Construction of key levers
CA117,018A 1970-08-07 1971-06-29 Keyboards Expired CA940834A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6203770A 1970-08-07 1970-08-07

Publications (1)

Publication Number Publication Date
CA940834A true CA940834A (en) 1974-01-29

Family

ID=22039816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA117,018A Expired CA940834A (en) 1970-08-07 1971-06-29 Keyboards

Country Status (10)

Country Link
US (1) US3715023A (en)
JP (1) JPS5119373B1 (en)
AU (1) AU448829B2 (en)
BE (1) BE770814A (en)
CA (1) CA940834A (en)
CH (1) CH523545A (en)
DE (1) DE2138135B2 (en)
FR (1) FR2103833A5 (en)
GB (1) GB1298546A (en)
ZA (1) ZA714929B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071719A (en) * 1976-07-22 1978-01-31 Illinois Tool Works Inc. Keyboard switch assembly having actuator interlocking keyboard shift and shift lock and release mechanism
GB1591986A (en) * 1976-09-21 1981-07-01 Dobson Park Ind Typewriters
US4295012A (en) * 1980-02-04 1981-10-13 Illinois Tool Works Inc. Secretarial shift mechanism for an electric keyboard

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3292761A (en) * 1965-11-04 1966-12-20 Navigation Computer Corp Typewriter key lever and mount therefor

Also Published As

Publication number Publication date
GB1298546A (en) 1972-12-06
FR2103833A5 (en) 1972-04-14
CH523545A (en) 1972-05-31
DE2138135A1 (en) 1972-02-10
AU448829B2 (en) 1974-05-30
BE770814A (en) 1971-12-16
ZA714929B (en) 1972-04-26
AU3188071A (en) 1973-02-08
US3715023A (en) 1973-02-06
JPS5119373B1 (en) 1976-06-17
DE2138135B2 (en) 1978-10-26

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