FR1271911A - Transmission Chain Derailleur for Multi-Speed Center Gear Bicycles - Google Patents

Transmission Chain Derailleur for Multi-Speed Center Gear Bicycles

Info

Publication number
FR1271911A
FR1271911A FR841920A FR841920A FR1271911A FR 1271911 A FR1271911 A FR 1271911A FR 841920 A FR841920 A FR 841920A FR 841920 A FR841920 A FR 841920A FR 1271911 A FR1271911 A FR 1271911A
Authority
FR
France
Prior art keywords
transmission chain
center gear
speed center
chain derailleur
gear bicycles
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
FR841920A
Other languages
French (fr)
Inventor
Tullio Campagnolo
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
Priority to FR841920A priority Critical patent/FR1271911A/en
Application granted granted Critical
Publication of FR1271911A publication Critical patent/FR1271911A/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
    • B62M9/135—Mounting the derailleur on the frame
    • 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
    • B62M9/1344—Mechanisms for shifting laterally limiting or positioning the movement
    • B62M9/1348—Mechanisms for shifting laterally limiting or positioning the movement characterised by the use of biasing means, e.g. springs; Arrangements thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR841920A 1960-10-22 1960-10-22 Transmission Chain Derailleur for Multi-Speed Center Gear Bicycles Expired FR1271911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR841920A FR1271911A (en) 1960-10-22 1960-10-22 Transmission Chain Derailleur for Multi-Speed Center Gear Bicycles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR841920A FR1271911A (en) 1960-10-22 1960-10-22 Transmission Chain Derailleur for Multi-Speed Center Gear Bicycles

Publications (1)

Publication Number Publication Date
FR1271911A true FR1271911A (en) 1961-09-15

Family

ID=8741291

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841920A Expired FR1271911A (en) 1960-10-22 1960-10-22 Transmission Chain Derailleur for Multi-Speed Center Gear Bicycles

Country Status (1)

Country Link
FR (1) FR1271911A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2093242A5 (en) * 1970-06-08 1972-01-28 Juy Lucien
FR2415037A1 (en) * 1978-01-18 1979-08-17 Bloy Georges Pedal gear change for cycle - has deformable parallelogram crank assembly with heads held by friction and one arm bent to receive control cable
FR2436067A1 (en) * 1978-09-13 1980-04-11 Shimano Industrial Co FRONT DERAILLEUR FOR A BICYCLE
US4305712A (en) * 1978-12-07 1981-12-15 Shimano Industrial Company Limited Front derailleur for a bicycle including a wire guide extension
EP0075927A2 (en) * 1981-09-28 1983-04-06 Maeda Industries, Ltd. Bicycle derailleur

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2093242A5 (en) * 1970-06-08 1972-01-28 Juy Lucien
FR2415037A1 (en) * 1978-01-18 1979-08-17 Bloy Georges Pedal gear change for cycle - has deformable parallelogram crank assembly with heads held by friction and one arm bent to receive control cable
FR2436067A1 (en) * 1978-09-13 1980-04-11 Shimano Industrial Co FRONT DERAILLEUR FOR A BICYCLE
US4305712A (en) * 1978-12-07 1981-12-15 Shimano Industrial Company Limited Front derailleur for a bicycle including a wire guide extension
EP0075927A2 (en) * 1981-09-28 1983-04-06 Maeda Industries, Ltd. Bicycle derailleur
EP0075927A3 (en) * 1981-09-28 1985-03-20 Maeda Ind Bicycle derailleur

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