FR953230A - Mechanism for increasing the propulsive power of bicycles - Google Patents

Mechanism for increasing the propulsive power of bicycles

Info

Publication number
FR953230A
FR953230A FR953230DA FR953230A FR 953230 A FR953230 A FR 953230A FR 953230D A FR953230D A FR 953230DA FR 953230 A FR953230 A FR 953230A
Authority
FR
France
Prior art keywords
bicycles
increasing
propulsive power
propulsive
power
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
Rigoberto Sirera Llopart
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 FR953230A publication Critical patent/FR953230A/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)
FR953230D 1946-10-02 1947-09-19 Mechanism for increasing the propulsive power of bicycles Expired FR953230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES953230X 1946-10-02

Publications (1)

Publication Number Publication Date
FR953230A true FR953230A (en) 1949-12-02

Family

ID=8293294

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953230D Expired FR953230A (en) 1946-10-02 1947-09-19 Mechanism for increasing the propulsive power of bicycles

Country Status (1)

Country Link
FR (1) FR953230A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2603863A1 (en) * 1986-09-11 1988-03-18 Bocciarelli Jean Device making it possible to increase the lever force of a bicycle crank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2603863A1 (en) * 1986-09-11 1988-03-18 Bocciarelli Jean Device making it possible to increase the lever force of a bicycle crank

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