FR720834A - Crank for cycles, with variable lever arm length - Google Patents

Crank for cycles, with variable lever arm length

Info

Publication number
FR720834A
FR720834A FR720834DA FR720834A FR 720834 A FR720834 A FR 720834A FR 720834D A FR720834D A FR 720834DA FR 720834 A FR720834 A FR 720834A
Authority
FR
France
Prior art keywords
crank
cycles
lever arm
arm length
variable lever
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
Antoine Duprat
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 FR720834A publication Critical patent/FR720834A/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
FR720834D 1931-07-30 1931-07-30 Crank for cycles, with variable lever arm length Expired FR720834A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR720834T 1931-07-30

Publications (1)

Publication Number Publication Date
FR720834A true FR720834A (en) 1932-02-24

Family

ID=9094969

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720834D Expired FR720834A (en) 1931-07-30 1931-07-30 Crank for cycles, with variable lever arm length

Country Status (1)

Country Link
FR (1) FR720834A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576765A (en) * 1947-06-30 1951-11-27 Edgar W Patterson Eccentric crank pin mounting
FR2416829A1 (en) * 1978-02-10 1979-09-07 Gauthier Robert Adjustable-length bicycle pedal crank - has orifice larger than pedal spindle to accommodate complementary component for securing spindle
FR2477498A1 (en) * 1980-03-10 1981-09-11 Barilli Andre Adjuster to lengthen bicycle crank arm - uses eccentric pedal shaft held by double nut and washer
FR2513208A1 (en) * 1981-09-24 1983-03-25 Shimano Industrial Co PEDALIER FOR A BICYCLE
EP1878649A1 (en) * 2006-07-13 2008-01-16 Look Cycle International Bicycle crank

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576765A (en) * 1947-06-30 1951-11-27 Edgar W Patterson Eccentric crank pin mounting
FR2416829A1 (en) * 1978-02-10 1979-09-07 Gauthier Robert Adjustable-length bicycle pedal crank - has orifice larger than pedal spindle to accommodate complementary component for securing spindle
FR2477498A1 (en) * 1980-03-10 1981-09-11 Barilli Andre Adjuster to lengthen bicycle crank arm - uses eccentric pedal shaft held by double nut and washer
FR2513208A1 (en) * 1981-09-24 1983-03-25 Shimano Industrial Co PEDALIER FOR A BICYCLE
DE3235288A1 (en) * 1981-09-24 1983-04-14 Shimano Industrial Co., Ltd., Sakai, Osaka BICYCLE FOR A BICYCLE
EP1878649A1 (en) * 2006-07-13 2008-01-16 Look Cycle International Bicycle crank
FR2903651A1 (en) * 2006-07-13 2008-01-18 Look Cycle Internat Sa CYCLE PEDAL
US7562891B2 (en) 2006-07-13 2009-07-21 Look Cycle International Cycle crankset

Similar Documents

Publication Publication Date Title
FR807614A (en) Variable speed transmission mechanism, especially for automobiles
FR720834A (en) Crank for cycles, with variable lever arm length
FR834558A (en) Variable speed transmission mechanism
FR611341A (en) Crank or crank with variable lever arm
FR764335A (en) Advanced toggle drive, mainly for awnings
FR762178A (en) Hydraulic speed change mechanism
FR739276A (en) Crank for cycles, bicycle motors, etc.
FR628114A (en) Crank for bicycles, with cyclically variable lever arm
FR35262E (en) Variable crank arm crankset
FR627990A (en) Variable crank arm crankset
FR758704A (en) Crankset for cycles or other uses, with variable lever arm
FR825263A (en) Variable transmission crank mechanism, especially for cycles
FR684051A (en) Variable lever arm nut wrench
FR746785A (en) Connecting rod for high speed engines
FR681253A (en) Crank forming lever arm of variable length automatically
FR733159A (en) Variable speed transmission mechanism for automobiles
FR732452A (en) Straight-motion windshield wiper
FR639873A (en) Variable Length Crank Arm Loom
FR735447A (en) Operating mechanism for washing machine
FR729910A (en) Chain derailment shifting for cycles
FR802812A (en) Variable speed force transmission mechanism
FR34293E (en) Variable crank arm crankset
FR762959A (en) Variable speed force transmission mechanism
FR755812A (en) Probe-weft release mechanism for circular looms
FR704578A (en) Mechanism for motion transmission