FR423888A - Bicycle crank system increasing the length of the lever receiving the force, decreasing the leg movement, and eliminating the neutral point - Google Patents

Bicycle crank system increasing the length of the lever receiving the force, decreasing the leg movement, and eliminating the neutral point

Info

Publication number
FR423888A
FR423888A FR423888DA FR423888A FR 423888 A FR423888 A FR 423888A FR 423888D A FR423888D A FR 423888DA FR 423888 A FR423888 A FR 423888A
Authority
FR
France
Prior art keywords
eliminating
decreasing
force
length
neutral point
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
Lucien-Pierre-Jean Charbonel
Georges-Jean-Louis Guibard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEORGES JEAN LOUIS GUIBARD
LUCIEN PIERRE JEAN CHARBONEL
Original Assignee
GEORGES JEAN LOUIS GUIBARD
LUCIEN PIERRE JEAN CHARBONEL
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 by GEORGES JEAN LOUIS GUIBARD, LUCIEN PIERRE JEAN CHARBONEL filed Critical GEORGES JEAN LOUIS GUIBARD
Application granted granted Critical
Publication of FR423888A publication Critical patent/FR423888A/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)
FR423888D 1910-02-28 1910-02-28 Bicycle crank system increasing the length of the lever receiving the force, decreasing the leg movement, and eliminating the neutral point Expired FR423888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR423888T 1910-02-28

Publications (1)

Publication Number Publication Date
FR423888A true FR423888A (en) 1911-04-28

Family

ID=1466691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR423888D Expired FR423888A (en) 1910-02-28 1910-02-28 Bicycle crank system increasing the length of the lever receiving the force, decreasing the leg movement, and eliminating the neutral point

Country Status (1)

Country Link
FR (1) FR423888A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285858A2 (en) * 1987-04-03 1988-10-12 Brai Systems Srl Torque-multiplying kinematic device particularly for bicycles and bicycles employing said kinematic device
ITVR20090122A1 (en) * 2009-08-06 2011-02-07 Mario Nicolis HIGH PERFORMANCE FILM FOR BICYCLE OR SIMILAR PEDALS
EP2918487B1 (en) * 2012-11-09 2020-03-18 Aruanã Energia S/A Bicycle with differentiated activation unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0285858A2 (en) * 1987-04-03 1988-10-12 Brai Systems Srl Torque-multiplying kinematic device particularly for bicycles and bicycles employing said kinematic device
EP0285858A3 (en) * 1987-04-03 1989-03-29 Brai Systems Srl Torque-multiplying kinematic device particularly for bicycles and bicycles employing said kinematic device
ITVR20090122A1 (en) * 2009-08-06 2011-02-07 Mario Nicolis HIGH PERFORMANCE FILM FOR BICYCLE OR SIMILAR PEDALS
EP2918487B1 (en) * 2012-11-09 2020-03-18 Aruanã Energia S/A Bicycle with differentiated activation unit

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