FR60159E - Improvements to cranksets for cycles and mechanical analog transmissions by connecting rod and crank - Google Patents

Improvements to cranksets for cycles and mechanical analog transmissions by connecting rod and crank

Info

Publication number
FR60159E
FR60159E FR60159DA FR60159E FR 60159 E FR60159 E FR 60159E FR 60159D A FR60159D A FR 60159DA FR 60159 E FR60159 E FR 60159E
Authority
FR
France
Prior art keywords
cranksets
crank
cycles
connecting rod
analog transmissions
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
Henri Lemarchand
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 FR60159E publication Critical patent/FR60159E/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)
FR60159D 1950-04-01 1950-04-01 Improvements to cranksets for cycles and mechanical analog transmissions by connecting rod and crank Expired FR60159E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR60159T 1950-04-01

Publications (1)

Publication Number Publication Date
FR60159E true FR60159E (en) 1954-09-23

Family

ID=8693904

Family Applications (1)

Application Number Title Priority Date Filing Date
FR60159D Expired FR60159E (en) 1950-04-01 1950-04-01 Improvements to cranksets for cycles and mechanical analog transmissions by connecting rod and crank

Country Status (1)

Country Link
FR (1) FR60159E (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093201A2 (en) * 1982-04-30 1983-11-09 Freder Stuckenbrok Driving means for bicycles and the like
FR2550752A1 (en) * 1983-08-17 1985-02-22 Steinhard Robert Pedal box with variable gear ratio
FR2689592A1 (en) * 1992-04-03 1993-10-08 Valat Eric Crank gear with extendable crank arms for bicycle - has cyclic motion during rotation of crank designed to reduce effort on pedals for their locomotion
WO1997007015A1 (en) * 1995-08-18 1997-02-27 Eric Valat Bicycle crankset with variable length arms
US6484501B1 (en) * 1998-02-03 2002-11-26 Miturbo Umwelttechnik Gmbh & Co. Kg Method of heat transformation for generating heating media with operationally necessary temperature from partly cold and partly hot heat loss of liquid-cooled internal combustion piston engines and device for executing the method
WO2012028832A1 (en) * 2010-09-02 2012-03-08 Patrice Magnard Mechanical device with variable-length lever arm

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093201A2 (en) * 1982-04-30 1983-11-09 Freder Stuckenbrok Driving means for bicycles and the like
EP0093201A3 (en) * 1982-04-30 1985-05-29 Freder Stuckenbrok Driving means for bicycles and the like
FR2550752A1 (en) * 1983-08-17 1985-02-22 Steinhard Robert Pedal box with variable gear ratio
FR2689592A1 (en) * 1992-04-03 1993-10-08 Valat Eric Crank gear with extendable crank arms for bicycle - has cyclic motion during rotation of crank designed to reduce effort on pedals for their locomotion
WO1997007015A1 (en) * 1995-08-18 1997-02-27 Eric Valat Bicycle crankset with variable length arms
US6484501B1 (en) * 1998-02-03 2002-11-26 Miturbo Umwelttechnik Gmbh & Co. Kg Method of heat transformation for generating heating media with operationally necessary temperature from partly cold and partly hot heat loss of liquid-cooled internal combustion piston engines and device for executing the method
WO2012028832A1 (en) * 2010-09-02 2012-03-08 Patrice Magnard Mechanical device with variable-length lever arm
FR2964360A1 (en) * 2010-09-02 2012-03-09 Patrice Magnard MECHANICAL DEVICE WITH LEVER ARM OF VARIABLE LENGTH
CN103209887A (en) * 2010-09-02 2013-07-17 梅纳德创新公司 Mechanical device with variable-length lever arm

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