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FR611341A - Crank or crank with variable lever arm - Google Patents

Crank or crank with variable lever arm

Info

Publication number
FR611341A
FR611341A FR611341DA FR611341A FR 611341 A FR611341 A FR 611341A FR 611341D A FR611341D A FR 611341DA FR 611341 A FR611341 A FR 611341A
Authority
FR
France
Prior art keywords
crank
lever arm
variable lever
variable
arm
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
Maurice-Henri Charpentier
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 FR611341A publication Critical patent/FR611341A/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)
FR611341D 1926-02-18 1926-02-18 Crank or crank with variable lever arm Expired FR611341A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR611341T 1926-02-18

Publications (1)

Publication Number Publication Date
FR611341A true FR611341A (en) 1926-09-25

Family

ID=8978010

Family Applications (1)

Application Number Title Priority Date Filing Date
FR611341D Expired FR611341A (en) 1926-02-18 1926-02-18 Crank or crank with variable lever arm

Country Status (1)

Country Link
FR (1) FR611341A (en)

Cited By (4)

* 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
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

Cited By (4)

* 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
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

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