GB2143599B - Two-speed gear for a bicycle - Google Patents

Two-speed gear for a bicycle

Info

Publication number
GB2143599B
GB2143599B GB8318738A GB8318738A GB2143599B GB 2143599 B GB2143599 B GB 2143599B GB 8318738 A GB8318738 A GB 8318738A GB 8318738 A GB8318738 A GB 8318738A GB 2143599 B GB2143599 B GB 2143599B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
bicycle
speed gear
gear
speed
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
GB8318738A
Other versions
GB2143599A (en )
GB8318738D0 (en )
Inventor
Liu Jo-Kuei
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.)
JO KUEI LIU
Original Assignee
JO KUEI LIU
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
Grant date

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
GB8318738A 1983-07-11 1983-07-11 Two-speed gear for a bicycle Expired GB2143599B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8318738A GB2143599B (en) 1983-07-11 1983-07-11 Two-speed gear for a bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8318738A GB2143599B (en) 1983-07-11 1983-07-11 Two-speed gear for a bicycle

Publications (3)

Publication Number Publication Date
GB8318738D0 GB8318738D0 (en) 1983-08-10
GB2143599A true GB2143599A (en) 1985-02-13
GB2143599B true GB2143599B (en) 1986-06-18

Family

ID=10545556

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8318738A Expired GB2143599B (en) 1983-07-11 1983-07-11 Two-speed gear for a bicycle

Country Status (1)

Country Link
GB (1) GB2143599B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69207949D1 (en) * 1991-05-20 1996-03-14 Chung Suk Kim Up gear for a bicycle
CN1123751A (en) * 1994-11-23 1996-06-05 常殿林 Bidirectional gearbox on drive shaft
EP1329378A1 (en) * 2002-01-21 2003-07-23 Cyrus Omid Varan Improved mechanism for driving bicycles
FR2897338A1 (en) * 2006-02-10 2007-08-17 Alain Michel Jean Rebillard Propulsion permitting device for e.g. mountain bike, has wheel pinions respectively mounted on free wheel in two directions, and clutching/declutching system installed between hub and free wheel such that pedal is raised

Also Published As

Publication number Publication date Type
GB2143599A (en) 1985-02-13 application
GB8318738D0 (en) 1983-08-10 grant

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Legal Events

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

Effective date: 19930711