FR980425A - Chain derailment gear change system - Google Patents

Chain derailment gear change system

Info

Publication number
FR980425A
FR980425A FR980425DA FR980425A FR 980425 A FR980425 A FR 980425A FR 980425D A FR980425D A FR 980425DA FR 980425 A FR980425 A FR 980425A
Authority
FR
France
Prior art keywords
gear change
change system
chain derailment
derailment
chain
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
Lucien-Charles-Hippo Juy
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 FR980425A publication Critical patent/FR980425A/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
    • B62M9/134—Mechanisms for shifting laterally

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR980425D 1948-12-14 1948-12-14 Chain derailment gear change system Expired FR980425A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR980425T 1948-12-14

Publications (1)

Publication Number Publication Date
FR980425A true FR980425A (en) 1951-05-11

Family

ID=9524900

Family Applications (1)

Application Number Title Priority Date Filing Date
FR980425D Expired FR980425A (en) 1948-12-14 1948-12-14 Chain derailment gear change system

Country Status (1)

Country Link
FR (1) FR980425A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1225514B (en) * 1959-10-23 1966-09-22 Campagnolo Tullio Single-track device for a multi-speed gearshift for bicycles
FR2397320A1 (en) * 1977-07-12 1979-02-09 Shimano Industrial Co FRONT DERAILLEUR FOR A BICYCLE
FR2482039A1 (en) * 1980-05-09 1981-11-13 Simplex Ets Fixing for bicycle change arm - is fitted to frame tube by screw in boss inserted in hole in tube

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1225514B (en) * 1959-10-23 1966-09-22 Campagnolo Tullio Single-track device for a multi-speed gearshift for bicycles
FR2397320A1 (en) * 1977-07-12 1979-02-09 Shimano Industrial Co FRONT DERAILLEUR FOR A BICYCLE
FR2482039A1 (en) * 1980-05-09 1981-11-13 Simplex Ets Fixing for bicycle change arm - is fitted to frame tube by screw in boss inserted in hole in tube

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