FR919661A - automatic shift device for bicycles - Google Patents

automatic shift device for bicycles

Info

Publication number
FR919661A
FR919661A FR919661DA FR919661A FR 919661 A FR919661 A FR 919661A FR 919661D A FR919661D A FR 919661DA FR 919661 A FR919661 A FR 919661A
Authority
FR
Grant status
Grant
Patent type
Prior art keywords
bicycles
shift device
automatic shift
automatic
device
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
Georges Hugues
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
    • B62M9/08Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving eccentrically- mounted or elliptically-shaped driving or driven wheel; with expansible driving or driven wheel
FR919661A 1946-01-03 1946-01-03 automatic shift device for bicycles Expired FR919661A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR919661T 1946-01-03

Publications (1)

Publication Number Publication Date
FR919661A true FR919661A (en) 1947-03-14

Family

ID=9425204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR919661A Expired FR919661A (en) 1946-01-03 1946-01-03 automatic shift device for bicycles

Country Status (1)

Country Link
FR (1) FR919661A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000522A1 (en) * 1978-01-18 1979-08-09 R Williams Drive system
WO1984002562A1 (en) * 1981-10-26 1984-07-05 Harold L Walker Automatic variable speed transmission
WO2005119091A1 (en) * 2004-05-26 2005-12-15 Hartwig Mayer Continuously variable gearbox

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000522A1 (en) * 1978-01-18 1979-08-09 R Williams Drive system
US4342559A (en) * 1978-01-18 1982-08-03 National Technology Corporation Drive system
WO1984002562A1 (en) * 1981-10-26 1984-07-05 Harold L Walker Automatic variable speed transmission
WO2005119091A1 (en) * 2004-05-26 2005-12-15 Hartwig Mayer Continuously variable gearbox

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