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FR898379A - Automatic crank arm extension system acting bicycles - Google Patents

Automatic crank arm extension system acting bicycles

Info

Publication number
FR898379A
FR898379A FR898379DA FR898379A FR 898379 A FR898379 A FR 898379A FR 898379D A FR898379D A FR 898379DA FR 898379 A FR898379 A FR 898379A
Authority
FR
France
Prior art keywords
bicycles
crank arm
arm extension
extension system
system acting
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
Robert-Henri Reboul
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 FR898379A publication Critical patent/FR898379A/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
    • B62M3/00—Construction of cranks operated by hand or foot
    • B62M3/02—Construction of cranks operated by hand or foot of adjustable length
    • B62M3/04—Construction of cranks operated by hand or foot of adjustable length automatically adjusting

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR898379D 1943-09-30 1943-09-30 Automatic crank arm extension system acting bicycles Expired FR898379A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR898379T 1943-09-30

Publications (1)

Publication Number Publication Date
FR898379A true FR898379A (en) 1945-04-20

Family

ID=9391796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898379D Expired FR898379A (en) 1943-09-30 1943-09-30 Automatic crank arm extension system acting bicycles

Country Status (1)

Country Link
FR (1) FR898379A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989004791A1 (en) * 1987-11-16 1989-06-01 Good John M Pedal assembly
WO1993003955A1 (en) * 1991-08-16 1993-03-04 Rune Angeltun Bicyle pedal
EP2857304A4 (en) * 2012-06-01 2016-02-10 Yuichiro Koike Semi-fixed type shoe-fixing shaft

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989004791A1 (en) * 1987-11-16 1989-06-01 Good John M Pedal assembly
US4969373A (en) * 1987-11-16 1990-11-13 Good John M Pedal assembly
WO1993003955A1 (en) * 1991-08-16 1993-03-04 Rune Angeltun Bicyle pedal
US5662006A (en) * 1991-08-16 1997-09-02 Angeltun; Rune Bicycle Pedal
EP2857304A4 (en) * 2012-06-01 2016-02-10 Yuichiro Koike Semi-fixed type shoe-fixing shaft

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