FR2415037A1 - Derailleur de pedalier pour cycles - Google Patents

Derailleur de pedalier pour cycles

Info

Publication number
FR2415037A1
FR2415037A1 FR7801580A FR7801580A FR2415037A1 FR 2415037 A1 FR2415037 A1 FR 2415037A1 FR 7801580 A FR7801580 A FR 7801580A FR 7801580 A FR7801580 A FR 7801580A FR 2415037 A1 FR2415037 A1 FR 2415037A1
Authority
FR
France
Prior art keywords
friction
cycle
control cable
gear change
deformable parallelogram
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.)
Granted
Application number
FR7801580A
Other languages
English (en)
Other versions
FR2415037B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BLOY GEORGES
Original Assignee
BLOY GEORGES
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 by BLOY GEORGES filed Critical BLOY GEORGES
Priority to FR7801580A priority Critical patent/FR2415037B1/fr
Publication of FR2415037A1 publication Critical patent/FR2415037A1/fr
Application granted granted Critical
Publication of FR2415037B1 publication Critical patent/FR2415037B1/fr
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
    • 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
    • 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
    • B62M9/1342—Mechanisms for shifting laterally characterised by the linkage mechanisms
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Mechanical Control Devices (AREA)

Abstract

Dérailleur de pédalier pour cycle. La présente invention a pour objet un dérailleur avant pour cycle. Le dérailleur avant pour cycle selon l'invention comprend un collier de fixation au cadre dont sont solidaires deux potences parallèles perpendiculaires au collier et au plateau entre lesquelles sont articulés une biellette inférieure et une biellette supérieure en bout desquelles est articulé perpendiculairement au paralélogramme ainsi constitué un guide chaîne parallèle aux plateaux et parallélogramme sous l'action d'un câble de commande coopérant avec la biellette supérieure. La présente invention permet d'obtenir un dérailleur de plateau à fonctionnement doux et précis à l'exclusion de tout jeu.
FR7801580A 1978-01-18 1978-01-18 Derailleur de pedalier pour cycles Expired FR2415037B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7801580A FR2415037B1 (fr) 1978-01-18 1978-01-18 Derailleur de pedalier pour cycles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7801580A FR2415037B1 (fr) 1978-01-18 1978-01-18 Derailleur de pedalier pour cycles

Publications (2)

Publication Number Publication Date
FR2415037A1 true FR2415037A1 (fr) 1979-08-17
FR2415037B1 FR2415037B1 (fr) 1985-12-13

Family

ID=9203676

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7801580A Expired FR2415037B1 (fr) 1978-01-18 1978-01-18 Derailleur de pedalier pour cycles

Country Status (1)

Country Link
FR (1) FR2415037B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601427A1 (fr) * 1986-07-10 1988-01-15 Shimano Industrial Co Derailleur avant pour une bicyclette
EP1990268A3 (fr) * 2007-05-03 2010-06-23 CAMPAGNOLO S.r.l. Dérailleur avant pour bicyclette

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1271911A (fr) * 1960-10-22 1961-09-15 Dérailleur de chaîne de transmission pour bicyclettes à engrenage central à plusieurs rapports de vitesse
FR2294079A1 (fr) * 1974-12-12 1976-07-09 Shimano Industrial Co Derailleur avant pour une bicyclette
FR2322512A7 (fr) * 1975-08-29 1977-03-25 Campagnolo Tullio Derailleur de chaine de transmission pour bicyclettes a engrenage central a plusieurs rapports de vitesse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1271911A (fr) * 1960-10-22 1961-09-15 Dérailleur de chaîne de transmission pour bicyclettes à engrenage central à plusieurs rapports de vitesse
FR2294079A1 (fr) * 1974-12-12 1976-07-09 Shimano Industrial Co Derailleur avant pour une bicyclette
FR2322512A7 (fr) * 1975-08-29 1977-03-25 Campagnolo Tullio Derailleur de chaine de transmission pour bicyclettes a engrenage central a plusieurs rapports de vitesse

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601427A1 (fr) * 1986-07-10 1988-01-15 Shimano Industrial Co Derailleur avant pour une bicyclette
EP1990268A3 (fr) * 2007-05-03 2010-06-23 CAMPAGNOLO S.r.l. Dérailleur avant pour bicyclette
US8029396B2 (en) 2007-05-03 2011-10-04 Campagnolo S.R.L. Front derailleur for a bicycle

Also Published As

Publication number Publication date
FR2415037B1 (fr) 1985-12-13

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Legal Events

Date Code Title Description
ST Notification of lapse