FR939891A - Gear shifting for bicycles - Google Patents

Gear shifting for bicycles

Info

Publication number
FR939891A
FR939891A FR939891DA FR939891A FR 939891 A FR939891 A FR 939891A FR 939891D A FR939891D A FR 939891DA FR 939891 A FR939891 A FR 939891A
Authority
FR
France
Prior art keywords
bicycles
gear shifting
shifting
gear
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
French (fr)
Inventor
Camillo Arduino
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 FR939891A publication Critical patent/FR939891A/en
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
    • B62M9/121—Rear derailleurs
    • B62M9/124—Mechanisms for shifting laterally

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR939891D 1947-01-04 1947-01-04 Gear shifting for bicycles Expired FR939891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR939891T 1947-01-04

Publications (1)

Publication Number Publication Date
FR939891A true FR939891A (en) 1948-11-26

Family

ID=9458706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939891D Expired FR939891A (en) 1947-01-04 1947-01-04 Gear shifting for bicycles

Country Status (1)

Country Link
FR (1) FR939891A (en)

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