CH443358A - Keys for power-driven typewriters and similar machines - Google Patents

Keys for power-driven typewriters and similar machines

Info

Publication number
CH443358A
CH443358A CH52567A CH52567A CH443358A CH 443358 A CH443358 A CH 443358A CH 52567 A CH52567 A CH 52567A CH 52567 A CH52567 A CH 52567A CH 443358 A CH443358 A CH 443358A
Authority
CH
Switzerland
Prior art keywords
keys
power
similar machines
driven typewriters
typewriters
Prior art date
Application number
CH52567A
Other languages
German (de)
Inventor
O'neil Schaefer John
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of CH443358A publication Critical patent/CH443358A/en

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
    • B41J7/00—Type-selecting or type-actuating mechanisms
    • B41J7/02—Type-lever actuating mechanisms
    • B41J7/30—Preventing rebound or clash of levers or type members
    • 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
    • B41J5/24—Interlocks between keys, e.g. without detent arrangements with detent arrangements
CH52567A 1966-01-14 1967-01-13 Keys for power-driven typewriters and similar machines CH443358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US520774A US3311211A (en) 1966-01-14 1966-01-14 Keyboard sequence discriminator with different codes for upper and lower case

Publications (1)

Publication Number Publication Date
CH443358A true CH443358A (en) 1967-09-15

Family

ID=24074001

Family Applications (1)

Application Number Title Priority Date Filing Date
CH52567A CH443358A (en) 1966-01-14 1967-01-13 Keys for power-driven typewriters and similar machines

Country Status (8)

Country Link
US (1) US3311211A (en)
BE (1) BE692037A (en)
CH (1) CH443358A (en)
DE (1) DE1274594B (en)
FR (1) FR1508600A (en)
GB (1) GB1154112A (en)
NL (1) NL6700514A (en)
SE (1) SE326721B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524527A (en) * 1967-11-22 1970-08-18 Ibm Alternate character selection mechanism for typewriters
US3568811A (en) * 1968-09-20 1971-03-09 Litton Business Systems Inc Memory system for an electric typewriter
US3630336A (en) * 1970-04-15 1971-12-28 Ibm Proportional spacing printer incorporating word underscore control
US3718243A (en) * 1970-11-13 1973-02-27 Olympia Werke Ag Apparatus for storing typing commands given in too rapid succession by keys
US3844397A (en) * 1971-11-23 1974-10-29 Redactron Corp Automatic underlining in an automated typewriter system
USRE32240E (en) * 1976-06-17 1986-09-02 Loctite Corporation Self-emulsifying anaerobic composition

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2879876A (en) * 1955-11-17 1959-03-31 Ibm Single element printing machine
US2919002A (en) * 1957-04-19 1959-12-29 Ibm Selection mechanism for a single printing element typewriter
DE1207942B (en) * 1961-07-14 1965-12-30 Ibm Device for the automatic control of the type stop sequence in manually operated power-driven typewriters
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
DE1274594B (en) 1968-08-08
SE326721B (en) 1970-08-03
GB1154112A (en) 1969-06-04
FR1508600A (en) 1968-01-05
NL6700514A (en) 1967-07-17
BE692037A (en) 1967-05-29
US3311211A (en) 1967-03-28

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