FR2621373B1 - DEVICE FOR CHANGING SPEEDS BEFORE CYCLES WITH WIDE CALIPER AND THIRD FLANGE, WITH ALTERNATIVE CONTROL - Google Patents

DEVICE FOR CHANGING SPEEDS BEFORE CYCLES WITH WIDE CALIPER AND THIRD FLANGE, WITH ALTERNATIVE CONTROL

Info

Publication number
FR2621373B1
FR2621373B1 FR8713746A FR8713746A FR2621373B1 FR 2621373 B1 FR2621373 B1 FR 2621373B1 FR 8713746 A FR8713746 A FR 8713746A FR 8713746 A FR8713746 A FR 8713746A FR 2621373 B1 FR2621373 B1 FR 2621373B1
Authority
FR
France
Prior art keywords
caliper
flange
wide
alternative control
changing speeds
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 - Lifetime
Application number
FR8713746A
Other languages
French (fr)
Other versions
FR2621373A1 (en
Inventor
Rene Bonnard
Pierre Bonnard
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8713746A priority Critical patent/FR2621373B1/en
Publication of FR2621373A1 publication Critical patent/FR2621373A1/en
Application granted granted Critical
Publication of FR2621373B1 publication Critical patent/FR2621373B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Control Devices (AREA)
FR8713746A 1987-10-05 1987-10-05 DEVICE FOR CHANGING SPEEDS BEFORE CYCLES WITH WIDE CALIPER AND THIRD FLANGE, WITH ALTERNATIVE CONTROL Expired - Lifetime FR2621373B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8713746A FR2621373B1 (en) 1987-10-05 1987-10-05 DEVICE FOR CHANGING SPEEDS BEFORE CYCLES WITH WIDE CALIPER AND THIRD FLANGE, WITH ALTERNATIVE CONTROL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8713746A FR2621373B1 (en) 1987-10-05 1987-10-05 DEVICE FOR CHANGING SPEEDS BEFORE CYCLES WITH WIDE CALIPER AND THIRD FLANGE, WITH ALTERNATIVE CONTROL

Publications (2)

Publication Number Publication Date
FR2621373A1 FR2621373A1 (en) 1989-04-07
FR2621373B1 true FR2621373B1 (en) 1990-01-19

Family

ID=9355529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8713746A Expired - Lifetime FR2621373B1 (en) 1987-10-05 1987-10-05 DEVICE FOR CHANGING SPEEDS BEFORE CYCLES WITH WIDE CALIPER AND THIRD FLANGE, WITH ALTERNATIVE CONTROL

Country Status (1)

Country Link
FR (1) FR2621373B1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2621372B1 (en) * 1987-10-05 1990-01-19 Rene Bonnard ADAPTATION OF VARIOUS ALTERNATIVE CONTROL DEVICES TO FRONT AND REAR CHANGES FOR CYCLES AND SIMILAR VEHICLES. FRONT OR REVERSE GEAR CHANGE DEVICE FOR CYCLES AND SIMILAR VEHICLES
JP3458016B2 (en) * 1994-12-20 2003-10-20 株式会社シマノ Bicycle front derailleur
US5676616A (en) * 1996-03-06 1997-10-14 Shimano, Inc. Protective cover for a bicycle derailleur
DE20216235U1 (en) * 2002-10-22 2004-03-04 Canyon Bicycles Gmbh Umwerferschelle
EP1602572A1 (en) * 2004-06-04 2005-12-07 Campagnolo S.R.L. Chain guide for the front derailleur of a bicycle
US7438658B2 (en) 2004-08-30 2008-10-21 Shimano Inc. Bicycle front derailleur
FR2878499B1 (en) 2004-12-01 2007-02-16 Salomon Sa SPEED CHANGE CONTROL DEVICE FOR CHAIN AND SPROCKET TRANSMISSION SYSTEM
US7677998B2 (en) * 2006-01-31 2010-03-16 Shimano Inc. Bicycle front derailleur
US8678963B2 (en) 2011-09-21 2014-03-25 Shimano Inc. Bicycle front derailleur
FR3095800B1 (en) * 2019-05-10 2021-06-04 Qmuch Front derailleur for preventing chain skipping

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR668833A (en) * 1929-02-01 1929-11-07 Device for changing the speed of a bicycle by chain derailment on the crankset
US4184381A (en) * 1978-07-21 1980-01-22 The Singer Company Switch and cable actuator
FR2443373B1 (en) * 1978-12-04 1985-12-13 Huret Roger CYCLE CRANKSET
FR2446513A1 (en) * 1979-01-12 1980-08-08 Anvar SELECTOR DEVICE, PARTICULARLY FOR A BICYCLE DERAILLEUR, AND DERAILLEUR PROVIDED WITH SUCH A DEVICE
JPS60206793A (en) * 1984-03-29 1985-10-18 株式会社シマノ Front derailer for three step gear change

Also Published As

Publication number Publication date
FR2621373A1 (en) 1989-04-07

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Legal Events

Date Code Title Description
ST Notification of lapse