GB2317657B - Two-stage bicycle speed change mechanism - Google Patents

Two-stage bicycle speed change mechanism

Info

Publication number
GB2317657B
GB2317657B GB9620124A GB9620124A GB2317657B GB 2317657 B GB2317657 B GB 2317657B GB 9620124 A GB9620124 A GB 9620124A GB 9620124 A GB9620124 A GB 9620124A GB 2317657 B GB2317657 B GB 2317657B
Authority
GB
United Kingdom
Prior art keywords
speed change
change mechanism
bicycle speed
stage bicycle
stage
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
GB9620124A
Other versions
GB9620124D0 (en
GB2317657A (en
Inventor
Ashraf Mahfouz Abbas
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10800549&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2317657(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to GB9620124A priority Critical patent/GB2317657B/en
Publication of GB9620124D0 publication Critical patent/GB9620124D0/en
Priority to GB9715957A priority patent/GB2317659A/en
Publication of GB2317657A publication Critical patent/GB2317657A/en
Application granted granted Critical
Publication of GB2317657B publication Critical patent/GB2317657B/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
    • B62M1/00—Rider propulsion of wheeled vehicles
    • B62M1/36—Rider propulsion of wheeled vehicles with rotary cranks, e.g. with pedal cranks
    • 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
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
GB9620124A 1996-09-26 1996-09-26 Two-stage bicycle speed change mechanism Expired - Fee Related GB2317657B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9620124A GB2317657B (en) 1996-09-26 1996-09-26 Two-stage bicycle speed change mechanism
GB9715957A GB2317659A (en) 1996-09-26 1997-07-29 50-Speed bicycle gearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9620124A GB2317657B (en) 1996-09-26 1996-09-26 Two-stage bicycle speed change mechanism

Publications (3)

Publication Number Publication Date
GB9620124D0 GB9620124D0 (en) 1996-11-13
GB2317657A GB2317657A (en) 1998-04-01
GB2317657B true GB2317657B (en) 2001-05-02

Family

ID=10800549

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9620124A Expired - Fee Related GB2317657B (en) 1996-09-26 1996-09-26 Two-stage bicycle speed change mechanism

Country Status (1)

Country Link
GB (1) GB2317657B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160272A (en) * 1984-06-14 1985-12-18 George Hilbert Parkinson A 100 speed drive system for bicycles
US4842569A (en) * 1987-11-16 1989-06-27 Recreational Accessoried Corporation Bicycle transmission having infinitely variable drive ratio
US4976348A (en) * 1989-05-26 1990-12-11 Berry Harry E Coaster brake bicycle and changeable speed gear attachment therefore
WO1992010394A1 (en) * 1990-12-07 1992-06-25 Boland Gerard Integral intermediate chain wheels for bicylces
US5611556A (en) * 1995-05-08 1997-03-18 Davidow; Robert P. Speed change mechanism
EP0899187A1 (en) * 1997-08-26 1999-03-03 GT Bicycles, Inc. Direct drive bicycle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160272A (en) * 1984-06-14 1985-12-18 George Hilbert Parkinson A 100 speed drive system for bicycles
US4842569A (en) * 1987-11-16 1989-06-27 Recreational Accessoried Corporation Bicycle transmission having infinitely variable drive ratio
US4976348A (en) * 1989-05-26 1990-12-11 Berry Harry E Coaster brake bicycle and changeable speed gear attachment therefore
WO1992010394A1 (en) * 1990-12-07 1992-06-25 Boland Gerard Integral intermediate chain wheels for bicylces
US5611556A (en) * 1995-05-08 1997-03-18 Davidow; Robert P. Speed change mechanism
EP0899187A1 (en) * 1997-08-26 1999-03-03 GT Bicycles, Inc. Direct drive bicycle

Also Published As

Publication number Publication date
GB9620124D0 (en) 1996-11-13
GB2317657A (en) 1998-04-01

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Legal Events

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

Effective date: 20030926