CA969500A - Letter space control mechanism - Google Patents

Letter space control mechanism

Info

Publication number
CA969500A
CA969500A CA158,251A CA158251A CA969500A CA 969500 A CA969500 A CA 969500A CA 158251 A CA158251 A CA 158251A CA 969500 A CA969500 A CA 969500A
Authority
CA
Canada
Prior art keywords
control mechanism
space control
letter space
letter
space
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
CA158,251A
Other languages
English (en)
Other versions
CA158251S (en
Inventor
Harry M. Jacobs
Lowell T. Sloan
William H. Castle
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA969500A publication Critical patent/CA969500A/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
    • B41J19/00—Character- or line-spacing mechanisms
    • B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
    • B41J19/34—Escapement-feed character-spacing mechanisms
    • B41J19/58—Differential or variable-spacing arrangements
CA158,251A 1971-12-22 1972-12-05 Letter space control mechanism Expired CA969500A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21087471A 1971-12-22 1971-12-22

Publications (1)

Publication Number Publication Date
CA969500A true CA969500A (en) 1975-06-17

Family

ID=22784627

Family Applications (1)

Application Number Title Priority Date Filing Date
CA158,251A Expired CA969500A (en) 1971-12-22 1972-12-05 Letter space control mechanism

Country Status (14)

Country Link
US (1) US3759363A (xx)
JP (1) JPS524970B2 (xx)
AR (1) AR204155A1 (xx)
AT (1) AT331829B (xx)
BR (1) BR7208982D0 (xx)
CA (1) CA969500A (xx)
CH (1) CH540783A (xx)
DE (1) DE2262538C3 (xx)
ES (1) ES409645A1 (xx)
FR (1) FR2170443A5 (xx)
GB (1) GB1358339A (xx)
IL (1) IL40937A (xx)
IT (1) IT974661B (xx)
NL (1) NL7216769A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1554415A (en) * 1975-10-15 1979-10-17 Xerox Corp Word underscore(enhanced underscoring methods and means for automatic typewriter and the like employing hammertype impact printing mechanism)
US4286516A (en) * 1979-10-15 1981-09-01 Burroughs Corporation Electronic control for timing hammers in impact printers
WO1985003254A1 (en) * 1984-01-20 1985-08-01 Varitronic Systems, Inc. Electronic tape writing machine

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2348261A (en) * 1942-01-19 1944-05-09 Samuel R Nicks Line justifying typing machine
US2405974A (en) * 1944-07-08 1946-08-20 Coxhead Ralph C Corp Typewriter for justifying lines
US2581200A (en) * 1948-04-16 1952-01-01 Coxhead Ralph C Corp Typewriter carriage spacing control
US2862595A (en) * 1954-10-18 1958-12-02 Underwood Corp Proportional letter-feed mechanism for typewriters or the like
US2831558A (en) * 1955-04-07 1958-04-22 Underwood Corp Variable proportional letter feed mechanism
US2954861A (en) * 1958-10-02 1960-10-04 Sperry Rand Corp Proportional spacing typewriter
US2996165A (en) * 1959-04-24 1961-08-15 Sperry Rand Corp Letter space extend mechanism for typewriters
US3018870A (en) * 1959-08-18 1962-01-30 Royal Mcbee Corp Proportional spacing mechanism
NL284245A (xx) * 1962-01-18
GB1049880A (en) * 1962-11-08 1966-11-30 Olivetti & Co Spa Variable spacing mechanism for typewriters and like machines
GB1049634A (en) * 1963-01-17 1966-11-30 Royal Mcbee Corp Multi-uniform and variable pitch escapement mechanism for typewriters
GB1053186A (xx) * 1963-09-25
GB1052574A (xx) * 1964-06-26
US3334720A (en) * 1965-10-21 1967-08-08 Ibm Selection mechanism in which one selector plate provides selection in plural directions
US3404766A (en) * 1966-09-19 1968-10-08 Ibm Variable spacebar mechanism for automatically operated proportional escapement printer
US3547245A (en) * 1968-01-09 1970-12-15 Ibm Multiple pitch margin control

Also Published As

Publication number Publication date
FR2170443A5 (xx) 1973-09-14
AT331829B (de) 1976-08-25
ES409645A1 (es) 1976-01-01
BR7208982D0 (pt) 1973-09-13
NL7216769A (xx) 1973-06-26
JPS4869616A (xx) 1973-09-21
ATA1095372A (de) 1975-12-15
US3759363A (en) 1973-09-18
CH540783A (de) 1973-08-31
DE2262538B2 (de) 1974-08-15
DE2262538A1 (de) 1973-07-12
JPS524970B2 (xx) 1977-02-08
IL40937A (en) 1975-12-31
IL40937A0 (en) 1973-01-30
IT974661B (it) 1974-07-10
AR204155A1 (es) 1975-11-28
DE2262538C3 (de) 1975-03-20
GB1358339A (en) 1974-07-03

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