FR684651A - Perfectionnements aux machines à écrire - Google Patents

Perfectionnements aux machines à écrire

Info

Publication number
FR684651A
FR684651A FR684651DA FR684651A FR 684651 A FR684651 A FR 684651A FR 684651D A FR684651D A FR 684651DA FR 684651 A FR684651 A FR 684651A
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 US318027A external-priority patent/US1813321A/en
Application filed by Royal Typewriter Co Inc filed Critical Royal Typewriter Co Inc
Application granted granted Critical
Publication of FR684651A publication Critical patent/FR684651A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/34—Rollers; Needles
    • F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
    • 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
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/22—Paper-carriage guides or races
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/306—Means to synchronise movements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Automatic Assembly (AREA)
FR684651D 1928-11-08 1929-11-08 Perfectionnements aux machines à écrire Expired FR684651A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US341159XA 1928-11-08 1928-11-08
US684651XA 1928-11-08 1928-11-08
US318027A US1813321A (en) 1928-11-08 1928-11-08 Typewriting machine

Publications (1)

Publication Number Publication Date
FR684651A true FR684651A (fr) 1930-06-30

Family

ID=27364566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR684651D Expired FR684651A (fr) 1928-11-08 1929-11-08 Perfectionnements aux machines à écrire

Country Status (2)

Country Link
FR (1) FR684651A (fr)
GB (1) GB341159A (fr)

Also Published As

Publication number Publication date
GB341159A (en) 1931-01-15

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