FR984722A - Machine à écrire - Google Patents

Machine à écrire

Info

Publication number
FR984722A
FR984722A FR984722DA FR984722A FR 984722 A FR984722 A FR 984722A FR 984722D A FR984722D A FR 984722DA FR 984722 A FR984722 A FR 984722A
Authority
FR
France
Prior art keywords
typewriter
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
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.)
COXHEAD RALPH C CORP
Original Assignee
COXHEAD RALPH C 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 COXHEAD RALPH C CORP filed Critical COXHEAD RALPH C CORP
Application granted granted Critical
Publication of FR984722A publication Critical patent/FR984722A/fr
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
    • B41J19/20—Positive-feed character-spacing mechanisms
    • B41J19/32—Differential or variable-spacing arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/14—Rotary member or shaft indexing, e.g., tool or work turret
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/14—Rotary member or shaft indexing, e.g., tool or work turret
    • Y10T74/1418—Preselected indexed position
    • Y10T74/1424—Sequential
    • Y10T74/1429—Skip position
FR984722D 1949-04-13 1949-04-14 Machine à écrire Expired FR984722A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10007/49A GB676221A (en) 1949-04-13 1949-04-13 Improvements in typewriters

Publications (1)

Publication Number Publication Date
FR984722A true FR984722A (fr) 1951-07-10

Family

ID=9959675

Family Applications (1)

Application Number Title Priority Date Filing Date
FR984722D Expired FR984722A (fr) 1949-04-13 1949-04-14 Machine à écrire

Country Status (3)

Country Link
US (1) US2581200A (fr)
FR (1) FR984722A (fr)
GB (1) GB676221A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904159A (en) * 1955-11-04 1959-09-15 Smathers James Fields Proportional spacing mechanism for typewriters
US3669236A (en) * 1970-02-09 1972-06-13 Varityper Corp Keyboard for a printing machine
US3759363A (en) * 1971-12-22 1973-09-18 Ibm Letter space control mechanism

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US570545A (en) * 1896-11-03 Type-writing machine
US342352A (en) * 1886-05-25 Spacing-escapement for type-writing machines
US1163986A (en) * 1913-06-06 1915-12-14 Schnellsetz Maschinengmbh Type-writing and perforating device.
US1493621A (en) * 1923-03-24 1924-05-13 Farina Domenico Typewriter
US1918299A (en) * 1929-05-10 1933-07-18 Coxhead Ralph C Corp Variable feed mechanism for typewriter carriages
US1867155A (en) * 1929-08-05 1932-07-12 Huston Variable spacing mechanism for typewriters
US2165223A (en) * 1936-02-05 1939-07-11 Henry C Osborn Power-operated typewriter
US2156975A (en) * 1937-04-08 1939-05-02 Ibm Typewriting machine
US2211911A (en) * 1937-10-11 1940-08-20 West Virginia Newspaper Publis Typewriter
US2385036A (en) * 1942-10-10 1945-09-18 Ibm Typewriting machine
US2411723A (en) * 1943-02-20 1946-11-26 Burnell Machine Company Inc Variable spacing mechanism for key operated printing machines
US2405974A (en) * 1944-07-08 1946-08-20 Coxhead Ralph C Corp Typewriter for justifying lines

Also Published As

Publication number Publication date
US2581200A (en) 1952-01-01
GB676221A (en) 1952-07-23

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