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FR717456A - Gear shifting for bicycles - Google Patents

Gear shifting for bicycles

Info

Publication number
FR717456A
FR717456A FR717456DA FR717456A FR 717456 A FR717456 A FR 717456A FR 717456D A FR717456D A FR 717456DA FR 717456 A FR717456 A FR 717456A
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
Paul Kiss
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 FR717456A publication Critical patent/FR717456A/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
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/06—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with spur gear wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR717456D 1931-05-21 1931-05-21 Gear shifting for bicycles Expired FR717456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR717456T 1931-05-21

Publications (1)

Publication Number Publication Date
FR717456A true FR717456A (en) 1932-01-09

Family

ID=9090057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717456D Expired FR717456A (en) 1931-05-21 1931-05-21 Gear shifting for bicycles

Country Status (1)

Country Link
FR (1) FR717456A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996015936A1 (en) * 1994-11-23 1996-05-30 Laguarda Martinez, Amparo Crank gear box with built-in microshift for bicycles
ES2133030A1 (en) * 1995-10-24 1999-08-16 Porcar Jose Llibrer Pedal and bottom bracket bearing assembly box with integral microgear (microchange) for bicycles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996015936A1 (en) * 1994-11-23 1996-05-30 Laguarda Martinez, Amparo Crank gear box with built-in microshift for bicycles
ES2133030A1 (en) * 1995-10-24 1999-08-16 Porcar Jose Llibrer Pedal and bottom bracket bearing assembly box with integral microgear (microchange) for bicycles

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