FR2638702B1 - Ensemble a pignons juxtaposes pour bicyclette - Google Patents

Ensemble a pignons juxtaposes pour bicyclette

Info

Publication number
FR2638702B1
FR2638702B1 FR8914520A FR8914520A FR2638702B1 FR 2638702 B1 FR2638702 B1 FR 2638702B1 FR 8914520 A FR8914520 A FR 8914520A FR 8914520 A FR8914520 A FR 8914520A FR 2638702 B1 FR2638702 B1 FR 2638702B1
Authority
FR
France
Prior art keywords
bicycles
pinion assembly
bicycle pinion
bicycle
assembly
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 - Fee Related
Application number
FR8914520A
Other languages
English (en)
Other versions
FR2638702A1 (fr
Inventor
Nagano Masashi
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.)
Shimano Inc
Original Assignee
Shimano Industrial Co Ltd
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 Shimano Industrial Co Ltd filed Critical Shimano Industrial Co Ltd
Publication of FR2638702A1 publication Critical patent/FR2638702A1/fr
Application granted granted Critical
Publication of FR2638702B1 publication Critical patent/FR2638702B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B62M9/105—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 involving front sprocket chain-wheels engaged by the chain, belt or the like
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
FR8914520A 1988-11-07 1989-11-06 Ensemble a pignons juxtaposes pour bicyclette Expired - Fee Related FR2638702B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63281064A JPH02127185A (ja) 1988-11-07 1988-11-07 自転車用多段スプロケット装置

Publications (2)

Publication Number Publication Date
FR2638702A1 FR2638702A1 (fr) 1990-05-11
FR2638702B1 true FR2638702B1 (fr) 1994-02-25

Family

ID=17633810

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8914520A Expired - Fee Related FR2638702B1 (fr) 1988-11-07 1989-11-06 Ensemble a pignons juxtaposes pour bicyclette

Country Status (5)

Country Link
US (1) US5073151A (fr)
JP (1) JPH02127185A (fr)
DE (1) DE3936921C2 (fr)
FR (1) FR2638702B1 (fr)
IT (1) IT1237124B (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2939274B2 (ja) * 1989-09-12 1999-08-25 株式会社シマノ 自転車用多段スプロケットホイール
US5162022A (en) * 1990-09-18 1992-11-10 Maeda Industries, Ltd. Multiple sprocket assembly for bicycle
IT1270417B (it) * 1993-06-03 1997-05-05 Campagnolo Srl Gruppo pignoni per biciclette
US5716297A (en) * 1993-09-13 1998-02-10 Fichtel & Sachs Ag Derailleur arrangement for bicycles
DE4434752A1 (de) 1994-09-29 1996-04-04 Fichtel & Sachs Ag Kettenschaltung, insbesondere für Fahrräder
DE4330989A1 (de) * 1993-09-13 1995-03-16 Fichtel & Sachs Ag Kettenschaltung, insbesondere für Fahrräder
JP3509214B2 (ja) * 1994-09-09 2004-03-22 株式会社シマノ 自転車用チェーンホイール
DE4445035C1 (de) * 1994-12-16 1996-06-05 Fichtel & Sachs Ag Kettenschaltung
US5876295A (en) * 1996-01-23 1999-03-02 Cloyes Gear And Products, Inc. Roller chain drive system having improved noise characteristics
DE19606667C2 (de) * 1996-02-23 1999-10-14 Sram De Gmbh Kettenschaltung für Fahrräder
US5921878A (en) * 1996-07-03 1999-07-13 Cloyes Gear And Products, Inc. Roller chain drive system having improved noise characteristics
US6090003A (en) * 1996-07-25 2000-07-18 Cloyes Gear & Products, Inc. Random engagement roller chain sprocket having improved noise characteristics
US5921879A (en) 1996-07-25 1999-07-13 Cloyes Gear And Products, Inc. Random engagement roller chain sprocket with staged meshing and flank relief to provide improved noise characteristics
CA2259391C (fr) * 1996-07-25 2006-10-10 Cloyes Gear And Products, Inc. Roue dentee pour chaines a rouleaux a engagement aleatoire ayant une caracteristique bruit amelioree
US6761657B2 (en) 1996-12-19 2004-07-13 Cloyes Gear And Products, Inc. Roller chain sprocket with added chordal pitch reduction
US7416500B2 (en) * 1996-12-19 2008-08-26 Cloyes Gear And Products, Inc. Random engagement roller chain sprocket and timing chain system including same
US5733215A (en) * 1997-06-23 1998-03-31 Industrial Technology Research Institute Multi-speed sprocket assembly of a bicycle
US6293884B1 (en) 1999-09-08 2001-09-25 Chattin Cluster Gears, Inc. Cluster sprockets for bicycle transmissions and other prime movers
EP1235003A1 (fr) * 2001-02-23 2002-08-28 Morse Tec Europe S.p.A. Pignon pour chaíne à rouleaux avec differents profils de dents sur le même pignon
DE10119590A1 (de) * 2001-04-21 2002-10-24 Sram De Gmbh Kettenrad für Rollenketten
US6923741B2 (en) 2002-08-30 2005-08-02 Shimano Inc. Top sprocket for a rear sprocket assembly and rear sprocket assembly for a bicycle
US8096908B2 (en) * 2004-12-14 2012-01-17 Shimano, Inc. Bicycle sprocket with a laterally projecting gear change tooth
US8226511B2 (en) 2005-01-08 2012-07-24 Shimano, Inc. Bicycle sprocket tooth with a shift assist radius greater than a reference tooth radius
DE102006010498A1 (de) * 2006-03-07 2007-09-13 Sram Deutschland Gmbh Mehrfachkettenradeinheit und Kettenschaltung, insbesondere für Fahrräder
EP2108579A1 (fr) * 2008-04-10 2009-10-14 CAMPAGNOLO S.r.l. Roue dentée et groupe de roues dentées pour système de transmission de bicyclette
US9376165B2 (en) * 2009-10-16 2016-06-28 Shimano Inc. Bicycle sprocket
US9033833B2 (en) 2011-01-28 2015-05-19 Paha Designs, Llc Gear transmission and derailleur system
US9327792B2 (en) 2011-01-28 2016-05-03 Paha Designs, Llc Gear transmission and derailleur system
US10207772B2 (en) 2011-01-28 2019-02-19 Paha Designs, Llc Gear transmission and derailleur system
US10549816B2 (en) * 2016-02-26 2020-02-04 Shimano Inc. Bicycle sprocket and bicycle sprocket assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB475021A (en) * 1937-06-15 1937-11-11 Ervin Vantoch Improvements in change speed gears for chain drives
US3478614A (en) * 1966-11-17 1969-11-18 Shimano Industrial Co Multistage sprocket wheel assembly for a bicycle of speed change type
US4268259A (en) * 1977-08-25 1981-05-19 Shimano Industrial Company Limited Multi-speed sprockets for a bicycle and the like
JPS5528617A (en) * 1978-08-21 1980-02-29 Fujitsu Ltd Drive system for transmission line
JPS566698U (fr) * 1979-06-28 1981-01-21
JPS5810706Y2 (ja) * 1979-10-11 1983-02-26 株式会社シマノ 多段スプロケツト装置
DE2945271C2 (de) * 1979-11-09 1983-10-20 Alfred Thun & Co Gmbh, 5828 Ennepetal Kettenradsatz für die Kettenschaltung eines Fahrrades
US4519791A (en) * 1982-09-03 1985-05-28 Shimano Industrial Company Limited Sprocket for a bicycle
US4773893A (en) * 1987-04-20 1988-09-27 Te-Sheng Chang Sprocket tooth speed varying sprocket assembly

Also Published As

Publication number Publication date
IT1237124B (it) 1993-05-18
IT8922265A1 (it) 1991-05-03
DE3936921C2 (de) 1994-03-17
FR2638702A1 (fr) 1990-05-11
JPH02127185A (ja) 1990-05-15
US5073151A (en) 1991-12-17
DE3936921A1 (de) 1990-05-10
IT8922265A0 (it) 1989-11-03

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090731