FR920831A - Improvements to gear changes with chain derailleurs to cranksets for bicycles, tandems or similar - Google Patents

Improvements to gear changes with chain derailleurs to cranksets for bicycles, tandems or similar

Info

Publication number
FR920831A
FR920831A FR920831DA FR920831A FR 920831 A FR920831 A FR 920831A FR 920831D A FR920831D A FR 920831DA FR 920831 A FR920831 A FR 920831A
Authority
FR
France
Prior art keywords
cranksets
tandems
bicycles
similar
gear changes
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
Remy Bourrin
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 filed Critical
Application granted granted Critical
Publication of FR920831A publication Critical patent/FR920831A/en
Expired 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
    • 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
    • B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
FR920831D 1945-10-16 1945-10-16 Improvements to gear changes with chain derailleurs to cranksets for bicycles, tandems or similar Expired FR920831A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR920831T 1945-10-16

Publications (1)

Publication Number Publication Date
FR920831A true FR920831A (en) 1947-04-18

Family

ID=9431580

Family Applications (1)

Application Number Title Priority Date Filing Date
FR920831D Expired FR920831A (en) 1945-10-16 1945-10-16 Improvements to gear changes with chain derailleurs to cranksets for bicycles, tandems or similar

Country Status (1)

Country Link
FR (1) FR920831A (en)

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