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

Crank for cycles, with variable lever arm length

Info

Publication number: FR720834A
Authority: FR; France
Prior art keywords: crank; cycles; lever arm; arm length; variable lever
Prior art date: 1931-07-30
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

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.)

1931-07-30

Filing date

1931-07-30

Publication date

1932-02-24

1931-07-30 Application filed filed Critical

1932-02-24 Application granted granted Critical

1932-02-24 Publication of FR720834A publication Critical patent/FR720834A/en

Status Expired legal-status Critical Current

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

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Transportation (AREA)
Mechanical Engineering (AREA)

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

1931
- 1931-07-30 FR FR720834D patent/FR720834A/en not_active Expired

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
FR720834A (en)	1932-02-24	Crank for cycles, with variable lever arm length
FR834558A (en)	1938-11-24	Variable speed transmission mechanism
FR611341A (en)	1926-09-25	Crank or crank with variable lever arm
FR762178A (en)	1934-04-05	Hydraulic speed change mechanism
FR739276A (en)	1933-01-09	Crank for cycles, bicycle motors, etc.
FR628114A (en)	1927-10-19	Crank for bicycles, with cyclically variable lever arm
FR35262E (en)	1929-12-31	Variable crank arm crankset
FR627990A (en)	1927-10-17	Variable crank arm crankset
FR758704A (en)	1934-01-22	Crankset for cycles or other uses, with variable lever arm
FR825263A (en)	1938-02-28	Variable transmission crank mechanism, especially for cycles
FR684051A (en)	1930-06-20	Variable lever arm nut wrench
FR746785A (en)	1933-06-06	Connecting rod for high speed engines
FR681253A (en)	1930-05-13	Crank forming lever arm of variable length automatically
FR732452A (en)	1932-09-21	Straight-motion windshield wiper
FR639873A (en)	1928-07-02	Variable Length Crank Arm Loom
FR38346E (en)	1931-05-12	Variable lever arm nut wrench
FR802812A (en)	1936-09-16	Variable speed force transmission mechanism
FR34293E (en)	1929-05-03	Variable crank arm crankset
FR762959A (en)	1934-04-20	Variable speed force transmission mechanism
FR704578A (en)	1931-05-22	Mechanism for motion transmission
FR841502A (en)	1939-05-22	Variable length pedal for bicycle
FR42169E (en)	1933-05-31	Straight-motion windshield wiper
FR786784A (en)	1935-09-09	Speed change for cycles
FR776491A (en)	1935-01-26	Variable speed transmission mechanism
FR780299A (en)	1935-04-23	Variable speed hydraulic transmission mechanism