FR1014238A - Improvements to gear changes for cycles - Google Patents

Improvements to gear changes for cycles

Info

Publication number
FR1014238A
FR1014238A FR1014238DA FR1014238A FR 1014238 A FR1014238 A FR 1014238A FR 1014238D A FR1014238D A FR 1014238DA FR 1014238 A FR1014238 A FR 1014238A
Authority
FR
France
Prior art keywords
cycles
gear changes
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
Henri Breau
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 FR1014238A publication Critical patent/FR1014238A/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
    • B62M9/131—Front derailleurs
FR1014238D 1950-03-08 1950-03-08 Improvements to gear changes for cycles Expired FR1014238A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1014238T 1950-03-08

Publications (1)

Publication Number Publication Date
FR1014238A true FR1014238A (en) 1952-08-12

Family

ID=9572200

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1014238D Expired FR1014238A (en) 1950-03-08 1950-03-08 Improvements to gear changes for cycles

Country Status (1)

Country Link
FR (1) FR1014238A (en)

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