FR320496A - Two-speed crank gear that can adapt to all velocipedes - Google Patents

Two-speed crank gear that can adapt to all velocipedes

Info

Publication number
FR320496A
FR320496A FR320496DA FR320496A FR 320496 A FR320496 A FR 320496A FR 320496D A FR320496D A FR 320496DA FR 320496 A FR320496 A FR 320496A
Authority
FR
France
Prior art keywords
velocipedes
adapt
crank gear
speed crank
speed
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
Lecarme Freres
Michel
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.)
LECARME FRERES
Original Assignee
LECARME FRERES
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 by LECARME FRERES filed Critical LECARME FRERES
Application granted granted Critical
Publication of FR320496A publication Critical patent/FR320496A/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
    • B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
    • B62M11/145—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the bottom bracket

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR320496D 1902-04-19 1902-04-19 Two-speed crank gear that can adapt to all velocipedes Expired FR320496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR320496T 1902-04-19

Publications (1)

Publication Number Publication Date
FR320496A true FR320496A (en) 1902-12-12

Family

ID=1370995

Family Applications (1)

Application Number Title Priority Date Filing Date
FR320496D Expired FR320496A (en) 1902-04-19 1902-04-19 Two-speed crank gear that can adapt to all velocipedes

Country Status (1)

Country Link
FR (1) FR320496A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998052816A1 (en) * 1997-05-21 1998-11-26 Alain Martinot Bicycle crank gear for reducing effort, and bicycle equipped with same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998052816A1 (en) * 1997-05-21 1998-11-26 Alain Martinot Bicycle crank gear for reducing effort, and bicycle equipped with same
FR2763557A1 (en) * 1997-05-21 1998-11-27 Alain Roger Martinot PEDAL REDUCER OF EFFORT FOR CYCLES, AND CYCLE EQUIPPED WITH SUCH A CRANKSET

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