FR780223A - Changing gears for cycles - Google Patents

Changing gears for cycles

Info

Publication number
FR780223A
FR780223A FR780223DA FR780223A FR 780223 A FR780223 A FR 780223A FR 780223D A FR780223D A FR 780223DA FR 780223 A FR780223 A FR 780223A
Authority
FR
France
Prior art keywords
cycles
changing gears
gears
changing
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
Charles Jules Jeanmot
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 FR780223A publication Critical patent/FR780223A/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
    • B62M9/121—Rear derailleurs
    • B62M9/124—Mechanisms for shifting laterally

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR780223D 1934-06-16 1934-10-26 Changing gears for cycles Expired FR780223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU780223X 1934-06-16

Publications (1)

Publication Number Publication Date
FR780223A true FR780223A (en) 1935-04-20

Family

ID=19733500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780223D Expired FR780223A (en) 1934-06-16 1934-10-26 Changing gears for cycles

Country Status (1)

Country Link
FR (1) FR780223A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259398A (en) * 1964-12-09 1966-07-05 Green William P Bicycle drive

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259398A (en) * 1964-12-09 1966-07-05 Green William P Bicycle drive

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