FR872872A - Extendable crank - Google Patents

Extendable crank

Info

Publication number
FR872872A
FR872872A FR872872DA FR872872A FR 872872 A FR872872 A FR 872872A FR 872872D A FR872872D A FR 872872DA FR 872872 A FR872872 A FR 872872A
Authority
FR
France
Prior art keywords
extendable crank
extendable
crank
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
Francois-Leopold-Aug Danel
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 FR872872A publication Critical patent/FR872872A/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)
FR872872D 1941-01-28 1941-01-28 Extendable crank Expired FR872872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR872872T 1941-01-28

Publications (1)

Publication Number Publication Date
FR872872A true FR872872A (en) 1942-06-22

Family

ID=9359096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR872872D Expired FR872872A (en) 1941-01-28 1941-01-28 Extendable crank

Country Status (1)

Country Link
FR (1) FR872872A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3106035A1 (en) * 1981-02-19 1982-09-02 Hans Heinrich Fehl Pedal gear for a bicycle
FR2608991A2 (en) * 1974-08-28 1988-07-01 Pedrali Dominique Improvement to crank mechanisms of bicycles
US5553515A (en) * 1993-02-11 1996-09-10 Yang; Young M. Bicycle pedal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2608991A2 (en) * 1974-08-28 1988-07-01 Pedrali Dominique Improvement to crank mechanisms of bicycles
DE3106035A1 (en) * 1981-02-19 1982-09-02 Hans Heinrich Fehl Pedal gear for a bicycle
US5553515A (en) * 1993-02-11 1996-09-10 Yang; Young M. Bicycle pedal

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