FR989405A - Improvements to gear changes for bicycles - Google Patents

Improvements to gear changes for bicycles

Info

Publication number
FR989405A
FR989405A FR989405DA FR989405A FR 989405 A FR989405 A FR 989405A FR 989405D A FR989405D A FR 989405DA FR 989405 A FR989405 A FR 989405A
Authority
FR
France
Prior art keywords
bicycles
gear changes
gear
changes
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
Alvaro Vincenzoni
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 FR989405A publication Critical patent/FR989405A/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
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR989405D 1942-08-21 1949-06-21 Improvements to gear changes for bicycles Expired FR989405A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT989405X 1942-08-21

Publications (1)

Publication Number Publication Date
FR989405A true FR989405A (en) 1951-09-10

Family

ID=11333051

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989405D Expired FR989405A (en) 1942-08-21 1949-06-21 Improvements to gear changes for bicycles

Country Status (1)

Country Link
FR (1) FR989405A (en)

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