FR924228A - Changement de vitesses automatique pour bicyclettes et machines analogues - Google Patents

Changement de vitesses automatique pour bicyclettes et machines analogues

Info

Publication number
FR924228A
FR924228A FR924228DA FR924228A FR 924228 A FR924228 A FR 924228A FR 924228D A FR924228D A FR 924228DA FR 924228 A FR924228 A FR 924228A
Authority
FR
France
Prior art keywords
bicycles
gear change
automatic gear
similar machines
machines
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)
Inventor
Geoffrey Robert Greenber Gates
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 filed Critical
Application granted granted Critical
Publication of FR924228A publication Critical patent/FR924228A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR924228D 1944-05-02 1946-03-19 Changement de vitesses automatique pour bicyclettes et machines analogues Expired FR924228A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB924228X 1944-05-02

Publications (1)

Publication Number Publication Date
FR924228A true FR924228A (fr) 1947-07-30

Family

ID=10727537

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924228D Expired FR924228A (fr) 1944-05-02 1946-03-19 Changement de vitesses automatique pour bicyclettes et machines analogues

Country Status (1)

Country Link
FR (1) FR924228A (fr)

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