FR685684A - Perfectionnements aux machines à écrire - Google Patents

Perfectionnements aux machines à écrire

Info

Publication number
FR685684A
FR685684A FR685684DA FR685684A FR 685684 A FR685684 A FR 685684A FR 685684D A FR685684D A FR 685684DA FR 685684 A FR685684 A FR 685684A
Authority
FR
France
Prior art keywords
typewriter
typewriter improvements
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.)
Royal Typewriter Co Inc
Original Assignee
Royal Typewriter Co 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
Priority claimed from US326318A external-priority patent/US1781579A/en
Application filed by Royal Typewriter Co Inc filed Critical Royal Typewriter Co Inc
Application granted granted Critical
Publication of FR685684A publication Critical patent/FR685684A/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
    • B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
    • B41J33/14—Ribbon-feed devices or mechanisms
    • B41J33/40—Ribbon-feed devices or mechanisms with arrangements for reversing the feed direction
    • B41J33/44—Ribbon-feed devices or mechanisms with arrangements for reversing the feed direction automatically
    • B41J33/51—Ribbon-feed devices or mechanisms with arrangements for reversing the feed direction automatically and characterised by the use of particular reversing control means
    • B41J33/518—Ribbon-feed devices or mechanisms with arrangements for reversing the feed direction automatically and characterised by the use of particular reversing control means the reversing-feeler engaging buttons or the like secured to the ribbon near its ends
FR685684D 1928-12-15 1929-11-28 Perfectionnements aux machines à écrire Expired FR685684A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US587042XA 1928-12-15 1928-12-15
US344033XA 1928-12-15 1928-12-15
US685684XA 1928-12-15 1928-12-15
US326318A US1781579A (en) 1928-12-15 1928-12-15 Typewriting machine

Publications (1)

Publication Number Publication Date
FR685684A true FR685684A (fr) 1930-07-16

Family

ID=27617753

Family Applications (1)

Application Number Title Priority Date Filing Date
FR685684D Expired FR685684A (fr) 1928-12-15 1929-11-28 Perfectionnements aux machines à écrire

Country Status (2)

Country Link
DE (1) DE587042C (fr)
FR (1) FR685684A (fr)

Also Published As

Publication number Publication date
DE587042C (de) 1933-10-28

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