FR912643A - Gear shifting applicable to a lever bicycle - Google Patents

Gear shifting applicable to a lever bicycle

Info

Publication number
FR912643A
FR912643A FR912643DA FR912643A FR 912643 A FR912643 A FR 912643A FR 912643D A FR912643D A FR 912643DA FR 912643 A FR912643 A FR 912643A
Authority
FR
France
Prior art keywords
applicable
gear shifting
lever bicycle
bicycle
lever
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
Julien-Joseph Frotte
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 FR912643A publication Critical patent/FR912643A/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
    • B62M15/00—Transmissions characterised by use of crank shafts and coupling rods

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR912643D 1945-07-11 1945-07-11 Gear shifting applicable to a lever bicycle Expired FR912643A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR912643T 1945-07-11

Publications (1)

Publication Number Publication Date
FR912643A true FR912643A (en) 1946-08-14

Family

ID=9421446

Family Applications (1)

Application Number Title Priority Date Filing Date
FR912643D Expired FR912643A (en) 1945-07-11 1945-07-11 Gear shifting applicable to a lever bicycle

Country Status (1)

Country Link
FR (1) FR912643A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983001764A1 (en) * 1981-11-16 1983-05-26 Boris Efros Improved high speed cycle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983001764A1 (en) * 1981-11-16 1983-05-26 Boris Efros Improved high speed cycle
US4421334A (en) * 1981-11-16 1983-12-20 Boris Efros High speed cycle

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