FR665032A - Crank whose arm length varies automatically during its rotation, more particularly applicable to the actuation of cycles - Google Patents

Crank whose arm length varies automatically during its rotation, more particularly applicable to the actuation of cycles

Info

Publication number
FR665032A
FR665032A FR665032DA FR665032A FR 665032 A FR665032 A FR 665032A FR 665032D A FR665032D A FR 665032DA FR 665032 A FR665032 A FR 665032A
Authority
FR
France
Prior art keywords
actuation
cycles
rotation
particularly applicable
arm length
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
Ernest Bergeron
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 FR665032A publication Critical patent/FR665032A/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)
FR665032D 1928-12-03 1928-12-03 Crank whose arm length varies automatically during its rotation, more particularly applicable to the actuation of cycles Expired FR665032A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR665032T 1928-12-03

Publications (1)

Publication Number Publication Date
FR665032A true FR665032A (en) 1929-09-13

Family

ID=9013050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR665032D Expired FR665032A (en) 1928-12-03 1928-12-03 Crank whose arm length varies automatically during its rotation, more particularly applicable to the actuation of cycles

Country Status (1)

Country Link
FR (1) FR665032A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564796A1 (en) * 1984-05-23 1985-11-29 Bourgouin Bernard Pedal box with cranks of variable geometry.
FR2639602A1 (en) * 1988-11-25 1990-06-01 Careme Andre Improved crank of a bicycle crank gear, crank gear provided with these cranks and bicycle provided with this crank gear
WO2003104074A1 (en) * 2002-05-06 2003-12-18 Bojan Boncelj Fast bicycle with two-fold pedals
ES2241454A1 (en) * 2003-09-08 2005-10-16 Saulo Afonso Lopez Articulated rod connecting mechanism for bicycle, has new connecting rod fixed in end, pinion fixed at spin axis of new connecting rod, plate fixed to spin axis of connecting rods, and chain for connecting plate and pinion
FR2889158A1 (en) * 2005-07-28 2007-02-02 Andre Farison Pedal assembly e.g. for a bicycle has cranks with pivoted extensions and additional chainwheel to reduce effort
DE202011105577U1 (en) 2011-09-07 2012-01-16 Moissei Fichin Drive of the transport means

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564796A1 (en) * 1984-05-23 1985-11-29 Bourgouin Bernard Pedal box with cranks of variable geometry.
FR2639602A1 (en) * 1988-11-25 1990-06-01 Careme Andre Improved crank of a bicycle crank gear, crank gear provided with these cranks and bicycle provided with this crank gear
WO2003104074A1 (en) * 2002-05-06 2003-12-18 Bojan Boncelj Fast bicycle with two-fold pedals
ES2241454A1 (en) * 2003-09-08 2005-10-16 Saulo Afonso Lopez Articulated rod connecting mechanism for bicycle, has new connecting rod fixed in end, pinion fixed at spin axis of new connecting rod, plate fixed to spin axis of connecting rods, and chain for connecting plate and pinion
FR2889158A1 (en) * 2005-07-28 2007-02-02 Andre Farison Pedal assembly e.g. for a bicycle has cranks with pivoted extensions and additional chainwheel to reduce effort
DE202011105577U1 (en) 2011-09-07 2012-01-16 Moissei Fichin Drive of the transport means

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