FR2561344B1 - Pignon avant de chaine a plusieurs etages pour une bicyclette - Google Patents

Pignon avant de chaine a plusieurs etages pour une bicyclette

Info

Publication number
FR2561344B1
FR2561344B1 FR8503781A FR8503781A FR2561344B1 FR 2561344 B1 FR2561344 B1 FR 2561344B1 FR 8503781 A FR8503781 A FR 8503781A FR 8503781 A FR8503781 A FR 8503781A FR 2561344 B1 FR2561344 B1 FR 2561344B1
Authority
FR
France
Prior art keywords
bicycle
front sprocket
floor front
floor
sprocket
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
FR8503781A
Other languages
English (en)
Other versions
FR2561344A1 (fr
Inventor
Masashi Nagano
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 FR2561344A1 publication Critical patent/FR2561344A1/fr
Application granted granted Critical
Publication of FR2561344B1 publication Critical patent/FR2561344B1/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
    • B62M9/105—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/30—Chain-wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
FR8503781A 1984-03-15 1985-03-14 Pignon avant de chaine a plusieurs etages pour une bicyclette Expired FR2561344B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984037737U JPS60149484U (ja) 1984-03-15 1984-03-15 自転車用多段フロントチエンギヤ

Publications (2)

Publication Number Publication Date
FR2561344A1 FR2561344A1 (fr) 1985-09-20
FR2561344B1 true FR2561344B1 (fr) 1988-12-09

Family

ID=12505796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8503781A Expired FR2561344B1 (fr) 1984-03-15 1985-03-14 Pignon avant de chaine a plusieurs etages pour une bicyclette

Country Status (3)

Country Link
US (1) US4586914A (fr)
JP (1) JPS60149484U (fr)
FR (1) FR2561344B1 (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5577749A (en) * 1994-07-11 1996-11-26 Ross; Thomas Twin gear drive assembly for a bicycle
US5797820A (en) * 1995-09-22 1998-08-25 Yamakyu Chain Co., Ltd. Slat band chain and sprocket
JP2005053410A (ja) * 2003-08-07 2005-03-03 Shimano Inc 自転車用スプロケット
US20060091639A1 (en) * 2004-10-29 2006-05-04 Dearborn David D Drive mechanism for pedal powered vehicles
JP2006248290A (ja) * 2005-03-09 2006-09-21 Shimano Inc 自転車用スプロケット
JP4221399B2 (ja) 2005-07-29 2009-02-12 株式会社シマノ 自転車用ハブカバー
US8888629B2 (en) 2007-05-23 2014-11-18 Shimano Inc. Bicycle sprocket assembly with chain protector
CN101758899B (zh) * 2008-12-26 2013-04-03 株式会社荣技研 自行车用齿盘
US8820192B2 (en) 2009-04-29 2014-09-02 Race Face Prerformance Products Inc. Bicycle crank arm and insert therefore
DE102013009492B4 (de) 2013-06-05 2023-10-19 Sram Deutschland Gmbh Kettenring
DE202013011442U1 (de) 2013-12-20 2014-01-23 Sram Deutschland Gmbh Kettenrad
US9394986B2 (en) 2014-02-10 2016-07-19 Wolf Tooth Components, LLC Sprocket
US9581229B2 (en) 2014-02-10 2017-02-28 Wolf Tooth Components, LLC Sprocket
US9394987B2 (en) 2014-02-10 2016-07-19 Wolf Tooth Components, LLC Sprocket
US9581230B2 (en) 2014-02-10 2017-02-28 Wolf Tooth Components, LLC Sprocket
US9625027B2 (en) 2014-04-08 2017-04-18 Wolf Tooth Components, LLC Sprocket
US9581231B2 (en) 2014-04-08 2017-02-28 Wolf Tooth Components, LLC Sprocket
US9404565B2 (en) 2014-04-08 2016-08-02 Wolf Tooth Components, LLC Sprocket
US9403578B1 (en) * 2015-02-05 2016-08-02 Shimano Inc. Bicycle sprocket assembly and bicycle rear sprocket assembly
DE102015203708A1 (de) * 2015-03-02 2016-09-08 Sram Deutschland Gmbh Zahnrad für einen Fahrradantrieb
DE102015008662A1 (de) 2015-07-03 2017-01-05 Sram Deutschland Gmbh Einzelkettenrad für eine Fahrradvorderkurbelanordnung
US10703441B2 (en) 2015-07-03 2020-07-07 Sram Deutschland Gmbh Drive arrangement for a bicycle
EP3239035A1 (fr) * 2016-04-11 2017-11-01 Fox Factory, Inc. Pignon avant de bicyclette
US9868491B1 (en) * 2016-07-21 2018-01-16 Shimano Inc. Bicycle sprocket assembly
US10377445B2 (en) * 2016-09-20 2019-08-13 Shimano Inc. Bicycle front sprocket assembly
US10093389B2 (en) * 2016-11-16 2018-10-09 Shimano Inc. Bicycle front sprocket, bicycle crank assembly, and bicycle drive train
US11014628B2 (en) 2017-04-28 2021-05-25 Fox Factory, Inc. Cinch direct mount 2X ring system
DE102018116489A1 (de) * 2018-07-06 2020-01-09 MIRANDA & IRMÃO, LDª Kettenblatt
US11680633B2 (en) 2019-02-08 2023-06-20 Fox Factory, Inc. Chainring
US20230213087A1 (en) * 2021-12-31 2023-07-06 Zwift, Inc. Single-sprocket system for a bicycle trainer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA530885A (fr) * 1956-09-25 Burawoy Onissim Roues ou pignons a chaine
FR967698A (fr) * 1948-06-08 1950-11-09 Guide-chaîne pour changement de vitesses par déraillement de chaîne
US3200665A (en) * 1963-02-14 1965-08-17 Wells Martin Gears
US3696685A (en) * 1970-04-21 1972-10-10 Fiat Spa Toothed pulleys
US3651705A (en) * 1970-10-14 1972-03-28 Fiat Spa Gears for toothed belt drives, particularly for motors for automotive vehicles, made of synthetic material
JPS6027116Y2 (ja) * 1981-03-30 1985-08-15 株式会社杉野鉄工所 自転車用プラスチツクギヤ

Also Published As

Publication number Publication date
FR2561344A1 (fr) 1985-09-20
JPS60149484U (ja) 1985-10-04
US4586914A (en) 1986-05-06
JPH0139673Y2 (fr) 1989-11-28

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Legal Events

Date Code Title Description
ST Notification of lapse