GB2279050B - Variable cranking length - Google Patents

Variable cranking length

Info

Publication number
GB2279050B
GB2279050B GB9412213A GB9412213A GB2279050B GB 2279050 B GB2279050 B GB 2279050B GB 9412213 A GB9412213 A GB 9412213A GB 9412213 A GB9412213 A GB 9412213A GB 2279050 B GB2279050 B GB 2279050B
Authority
GB
United Kingdom
Prior art keywords
cranking
variable
length
variable cranking
cranking length
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 - Fee Related
Application number
GB9412213A
Other versions
GB9412213D0 (en
GB2279050A (en
Inventor
Roy Alexander Crombie
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9412213D0 publication Critical patent/GB9412213D0/en
Publication of GB2279050A publication Critical patent/GB2279050A/en
Application granted granted Critical
Publication of GB2279050B publication Critical patent/GB2279050B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B62M3/06—Construction of cranks operated by hand or foot with elliptical or other non-circular rotary movement
GB9412213A 1993-06-17 1994-06-17 Variable cranking length Expired - Fee Related GB2279050B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939312470A GB9312470D0 (en) 1993-06-17 1993-06-17 A bicycle improvement

Publications (3)

Publication Number Publication Date
GB9412213D0 GB9412213D0 (en) 1994-08-10
GB2279050A GB2279050A (en) 1994-12-21
GB2279050B true GB2279050B (en) 1997-05-21

Family

ID=10737298

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939312470A Pending GB9312470D0 (en) 1993-06-17 1993-06-17 A bicycle improvement
GB9412213A Expired - Fee Related GB2279050B (en) 1993-06-17 1994-06-17 Variable cranking length

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB939312470A Pending GB9312470D0 (en) 1993-06-17 1993-06-17 A bicycle improvement

Country Status (1)

Country Link
GB (2) GB9312470D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2844018A1 (en) * 2002-08-27 2004-03-05 Michel Garnier Connecting rod and crank mechanism has rotating inner and fixed outer gears to increase length of lever in driving mode and reduce it in driven mode

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US513589A (en) * 1894-01-30 Bicycle
US530058A (en) * 1894-11-27 Driving-gear for bicycles
GB553055A (en) * 1940-03-26 1943-05-06 Magus Patentverwertungs Genoss Improvements in and relating to foot operated crank mechanisms having a non-circular pedal path
GB658463A (en) * 1948-09-20 1951-10-10 Magus A G Improved pedal gear, especially for a bicycle or like vehicle
US3259398A (en) * 1964-12-09 1966-07-05 Green William P Bicycle drive
US4193324A (en) * 1977-12-27 1980-03-18 Clint, Inc. Bicycle sprocket drive apparatus with elliptical pedal path
US5207119A (en) * 1992-02-06 1993-05-04 Francois Garneau Pedal mechanism for a human propulsion vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US513589A (en) * 1894-01-30 Bicycle
US530058A (en) * 1894-11-27 Driving-gear for bicycles
GB553055A (en) * 1940-03-26 1943-05-06 Magus Patentverwertungs Genoss Improvements in and relating to foot operated crank mechanisms having a non-circular pedal path
GB658463A (en) * 1948-09-20 1951-10-10 Magus A G Improved pedal gear, especially for a bicycle or like vehicle
US3259398A (en) * 1964-12-09 1966-07-05 Green William P Bicycle drive
US4193324A (en) * 1977-12-27 1980-03-18 Clint, Inc. Bicycle sprocket drive apparatus with elliptical pedal path
US5207119A (en) * 1992-02-06 1993-05-04 Francois Garneau Pedal mechanism for a human propulsion vehicle

Also Published As

Publication number Publication date
GB9312470D0 (en) 1993-08-04
GB9412213D0 (en) 1994-08-10
GB2279050A (en) 1994-12-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070617