FR2640931A1 - Dérailleur for a bicycle front crank gear - Google Patents

Dérailleur for a bicycle front crank gear Download PDF

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Publication number
FR2640931A1
FR2640931A1 FR8817233A FR8817233A FR2640931A1 FR 2640931 A1 FR2640931 A1 FR 2640931A1 FR 8817233 A FR8817233 A FR 8817233A FR 8817233 A FR8817233 A FR 8817233A FR 2640931 A1 FR2640931 A1 FR 2640931A1
Authority
FR
France
Prior art keywords
wing
plane
articulated
parallel
relative
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
FR8817233A
Other languages
English (en)
French (fr)
Other versions
FR2640931B1 (hu
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.)
Sachs Industries SA
Original Assignee
Sachs Industries SA
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 Sachs Industries SA filed Critical Sachs Industries SA
Priority to FR8817233A priority Critical patent/FR2640931A1/fr
Publication of FR2640931A1 publication Critical patent/FR2640931A1/fr
Application granted granted Critical
Publication of FR2640931B1 publication Critical patent/FR2640931B1/fr
Granted 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
    • B62M9/136—Chain guides; Mounting 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)
  • Transmission Devices (AREA)
FR8817233A 1988-12-27 1988-12-27 Dérailleur for a bicycle front crank gear Granted FR2640931A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8817233A FR2640931A1 (en) 1988-12-27 1988-12-27 Dérailleur for a bicycle front crank gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8817233A FR2640931A1 (en) 1988-12-27 1988-12-27 Dérailleur for a bicycle front crank gear

Publications (2)

Publication Number Publication Date
FR2640931A1 true FR2640931A1 (en) 1990-06-29
FR2640931B1 FR2640931B1 (hu) 1991-04-12

Family

ID=9373461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8817233A Granted FR2640931A1 (en) 1988-12-27 1988-12-27 Dérailleur for a bicycle front crank gear

Country Status (1)

Country Link
FR (1) FR2640931A1 (hu)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992013751A1 (en) * 1991-02-11 1992-08-20 Giuseppe Gabrielli A bicycle with multiplying gears and front gearshift
DE19704095B4 (de) * 1997-02-04 2006-01-12 Sram Deutschland Gmbh Kettenumwerfer mit variabler Befestigung
EP2465762A1 (en) * 2010-12-15 2012-06-20 Sram, Llc. Bicycle derailleur and method
US9284017B2 (en) 2010-12-15 2016-03-15 Sram, Llc Bicycle derailleur and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1118883A (fr) * 1955-01-06 1956-06-12 Perfectionnements aux dérailleurs de chaîne
FR2597060A1 (fr) * 1986-04-11 1987-10-16 Shimano Industrial Co Derailleur avant pour une bicyclette

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1118883A (fr) * 1955-01-06 1956-06-12 Perfectionnements aux dérailleurs de chaîne
FR2597060A1 (fr) * 1986-04-11 1987-10-16 Shimano Industrial Co Derailleur avant pour une bicyclette

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992013751A1 (en) * 1991-02-11 1992-08-20 Giuseppe Gabrielli A bicycle with multiplying gears and front gearshift
DE19704095B4 (de) * 1997-02-04 2006-01-12 Sram Deutschland Gmbh Kettenumwerfer mit variabler Befestigung
EP2465762A1 (en) * 2010-12-15 2012-06-20 Sram, Llc. Bicycle derailleur and method
EP2465761A1 (en) * 2010-12-15 2012-06-20 Sram, Llc. Bicycle derailleur and method
US8678962B2 (en) 2010-12-15 2014-03-25 Sram, Llc Bicycle derailleur and method
US9284017B2 (en) 2010-12-15 2016-03-15 Sram, Llc Bicycle derailleur and method
US9493212B2 (en) 2010-12-15 2016-11-15 Sram, Llc Bicycle derailleur and method

Also Published As

Publication number Publication date
FR2640931B1 (hu) 1991-04-12

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ST Notification of lapse