ES2000504A6 - Cambio de velocidad para bicicletas - Google Patents

Cambio de velocidad para bicicletas

Info

Publication number
ES2000504A6
ES2000504A6 ES8600294A ES8600294A ES2000504A6 ES 2000504 A6 ES2000504 A6 ES 2000504A6 ES 8600294 A ES8600294 A ES 8600294A ES 8600294 A ES8600294 A ES 8600294A ES 2000504 A6 ES2000504 A6 ES 2000504A6
Authority
ES
Spain
Prior art keywords
gearshift
bicycles
rear fork
lower body
pivoted
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
ES8600294A
Other languages
English (en)
Inventor
Mario G Jona
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.)
Campagnolo SRL
Original Assignee
Campagnolo SRL
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 Campagnolo SRL filed Critical Campagnolo SRL
Publication of ES2000504A6 publication Critical patent/ES2000504A6/es
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
    • B62M9/121—Rear derailleurs
    • B62M9/124—Mechanisms for shifting laterally
    • B62M9/1242—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)
  • Transmissions By Endless Flexible Members (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

EL CAMBIO DE VELOCIDAD DESCRITO COMPRENDE UN PARALELOGRAMO ARTICULADO FORMADO POR DOS BIELAS QUE CONECTAN UN CUERPO SUPERIOR DE DICHO CAMBIO, FIJADO CON PERNOS A LA EXTREMIDAD DE LA HORQUILLA TRASERA DEL BASTIDOR DE LA BICICLETA, A UN CUERPO INFERIOR DEL CAMBIO QUE LLEVA MONTADO UN BALANCIN OSCILANTE DESTINADO A GUIAR LA CADENA DE LA TRANSMISION DE UNA BICICLETA, Y UN BRAZO IMPULSOR QUE PRODUCE ROTACIONES DE DICHO CUERPO SUPERIOR JUNTO CON LAS OSCILACIONES DEL PARALELOGRAMO ARTICULADO Y QUE VA CONECTADO A ROTULA POR SUS EXTREMOS, MEDIANTE CHARNELAS ESFERICAS, AL CUERPO INFERIOR DEL CAMBIO Y A UN PUNTO FIJO DE LA EXTREMIDAD DE LA HORQUILLA TRASERA, ESTANDO PREVISTO TAMBIEN UN CABLE DE MANDO QUE CONTROLA LA OSCILACION DEL PARALELOGRAMO ARTICULADO Y LA ROTACION DE DICHO CUERPO SUPERIOR. ESTE CAMBIO DE VELOCIDAD ES UTIL ESPECIALMENTE PARA BICICLETAS DE COMPETICION.
ES8600294A 1985-07-15 1986-07-14 Cambio de velocidad para bicicletas Expired ES2000504A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21574/85A IT1185256B (it) 1985-07-15 1985-07-15 Cambio di velocita' per biciclette

Publications (1)

Publication Number Publication Date
ES2000504A6 true ES2000504A6 (es) 1988-03-01

Family

ID=11183812

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8600294A Expired ES2000504A6 (es) 1985-07-15 1986-07-14 Cambio de velocidad para bicicletas

Country Status (6)

Country Link
US (1) US4699605A (es)
JP (1) JPS6264686A (es)
DE (1) DE3623259A1 (es)
ES (1) ES2000504A6 (es)
FR (1) FR2584792A1 (es)
IT (1) IT1185256B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1210810B (it) * 1987-06-16 1989-09-29 Campagnolo Spa Deragliatore posteriore per cambi di velocita di biciclette
IT1211288B (it) * 1987-09-04 1989-10-12 Campagnolo Spa Deragliatore posteriore per un cambio di velocita di biciclette
US4891036A (en) * 1989-05-26 1990-01-02 Stammetti John J Modified derailleur
US5380252A (en) * 1990-12-08 1995-01-10 Maeda Industries, Ltd. Bicycle speed change assembly
NL9401552A (nl) * 1994-04-25 1995-12-01 Ronald Jozef Maria Meijs Aandrijfinrichting, bijvoorbeeld voor een rijwiel.
US5865062A (en) * 1997-05-19 1999-02-02 Lahat; Chaim Method and device for speed control of a bicycle
US6354971B1 (en) * 2000-02-02 2002-03-12 Brigham Young University Compliant derailleur
US6757975B1 (en) 2001-01-25 2004-07-06 Brigham Young University Multi-layered compliant mechanisms and method of manufacture
US9651138B2 (en) 2011-09-30 2017-05-16 Mtd Products Inc. Speed control assembly for a self-propelled walk-behind lawn mower
US9676444B2 (en) 2013-10-23 2017-06-13 Sram, Llc Electromechanical rear derailleur
US11319021B2 (en) * 2017-08-23 2022-05-03 Shimano Inc. Bicycle rear derailleur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2654426A1 (de) * 1975-12-02 1977-06-23 Simplex Ets Gangschaltung fuer fahrraeder oder aehnliche fahrzeuge
JPS54138252A (en) * 1978-04-17 1979-10-26 Shimano Industrial Co Rear derailer for bicycle
US4306871A (en) * 1978-12-30 1981-12-22 Shimano Industrial Company, Limited Rear derailleur and control wire guide
DE2933362A1 (de) * 1979-08-17 1981-03-26 Fichtel & Sachs Ag, 97424 Schweinfurt Kettenschaltung

Also Published As

Publication number Publication date
IT8521574A0 (it) 1985-07-15
JPS6264686A (ja) 1987-03-23
IT1185256B (it) 1987-11-04
DE3623259A1 (de) 1987-01-29
US4699605A (en) 1987-10-13
FR2584792A1 (fr) 1987-01-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19981001