IT1237281B - Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentate - Google Patents

Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentate

Info

Publication number
IT1237281B
IT1237281B IT06802889A IT6802889A IT1237281B IT 1237281 B IT1237281 B IT 1237281B IT 06802889 A IT06802889 A IT 06802889A IT 6802889 A IT6802889 A IT 6802889A IT 1237281 B IT1237281 B IT 1237281B
Authority
IT
Italy
Prior art keywords
toothed
freewheel
bicycle
bicycles including
toothed wheel
Prior art date
Application number
IT06802889A
Other languages
English (en)
Other versions
IT8968028A0 (it
Inventor
Antonio Romano
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
Priority to IT06802889A priority Critical patent/IT1237281B/it
Publication of IT8968028A0 publication Critical patent/IT8968028A0/it
Priority to EP90121881A priority patent/EP0429007A1/en
Priority to JP2317641A priority patent/JPH03178898A/ja
Priority to US07/616,967 priority patent/US5066264A/en
Application granted granted Critical
Publication of IT1237281B publication Critical patent/IT1237281B/it

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
IT06802889A 1989-11-21 1989-11-21 Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentate IT1237281B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT06802889A IT1237281B (it) 1989-11-21 1989-11-21 Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentate
EP90121881A EP0429007A1 (en) 1989-11-21 1990-11-15 A gear for bicycles and a freewheel for bicycles including a plurality of such gears
JP2317641A JPH03178898A (ja) 1989-11-21 1990-11-20 自転車用ギア及びフリーホイール
US07/616,967 US5066264A (en) 1989-11-21 1990-11-21 Gear for bicycles and a freewheel for bicycles including a plurality of such gears

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT06802889A IT1237281B (it) 1989-11-21 1989-11-21 Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentate

Publications (2)

Publication Number Publication Date
IT8968028A0 IT8968028A0 (it) 1989-11-21
IT1237281B true IT1237281B (it) 1993-05-27

Family

ID=11307308

Family Applications (1)

Application Number Title Priority Date Filing Date
IT06802889A IT1237281B (it) 1989-11-21 1989-11-21 Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentate

Country Status (4)

Country Link
US (1) US5066264A (it)
EP (1) EP0429007A1 (it)
JP (1) JPH03178898A (it)
IT (1) IT1237281B (it)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5192249A (en) * 1990-02-28 1993-03-09 Shimano, Inc. Multi-stage sprocket assembly for bicycle
EP0457733B1 (fr) * 1990-05-17 1995-03-15 Tornos-Bechler SA Fabrique de Machines Moutier Poulie
JPH04303094A (ja) * 1991-03-29 1992-10-27 Maeda Kogyo Kk 自転車用多段スプロケット装置
JPH04325390A (ja) * 1991-04-23 1992-11-13 Maeda Kogyo Kk 自転車用多段スプロケット装置
JPH05112278A (ja) * 1991-10-21 1993-05-07 Shimano Inc 自転車用多段スプロケツト装置
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
EP0671316B1 (en) * 1994-03-10 2000-01-12 Industrial Technology Research Institute Two sprocket tooth trimming methods and the structure thereof for the multi-stage sprocket assembly in a bicycle
CN1047562C (zh) * 1994-07-14 1999-12-22 财团法人工业技术研究院 自行车多段链轮组齿盘的修整方法及其结构
DE4445035C1 (de) * 1994-12-16 1996-06-05 Fichtel & Sachs Ag Kettenschaltung
TW331290U (en) * 1997-08-01 1998-05-01 Tracer Company Ltd Improved structure of a chain wheel assembly of a bicycle
US6923741B2 (en) † 2002-08-30 2005-08-02 Shimano Inc. Top sprocket for a rear sprocket assembly and rear sprocket assembly for a bicycle
JP3886130B2 (ja) * 2003-07-04 2007-02-28 株式会社椿本チエイン チェーン用スプロケット
DE10347784B4 (de) 2003-10-10 2017-04-06 Sram Deutschland Gmbh Geräuscharme Kettenschaltung
JP3970281B2 (ja) * 2004-11-19 2007-09-05 株式会社椿本チエイン チェーン伝動装置
US8617015B2 (en) 2005-09-27 2013-12-31 Wick Werks, LLC Bicycle chain rings
US8092329B2 (en) * 2005-08-31 2012-01-10 Wick Werks, LLC Bicycle chain rings with ramps
US9651138B2 (en) 2011-09-30 2017-05-16 Mtd Products Inc. Speed control assembly for a self-propelled walk-behind lawn mower
US9669899B2 (en) * 2014-02-27 2017-06-06 Eko Sport, Inc. Alternating tooth chain ring
WO2016154479A1 (en) * 2015-03-25 2016-09-29 Wick Werks, LLC Chainrings with alternating tooth thickness offset
EP3283792A4 (en) 2015-04-13 2018-05-23 Eko Sport Inc. Chain ring with teeth oppositely laterally engaging a drive chain
US9540070B2 (en) * 2015-05-27 2017-01-10 Shimano Inc. Bicycle sprocket and bicycle crank assembly
US10358186B2 (en) * 2016-12-16 2019-07-23 Shimano Inc. Bicycle sprocket and bicycle sprocket assembly
US11148755B2 (en) * 2018-07-13 2021-10-19 Shimano Inc. Bicycle derailleur
EP4239221B1 (en) 2022-03-03 2024-04-03 Marcin Golec An improved bicycle chainring and a bicycle comprising the bicycle chainring

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3661021A (en) * 1969-07-26 1972-05-09 Masakazu Ohshita Shimano Ind C Multiple free wheel for a bicycle
US3772932A (en) * 1970-12-30 1973-11-20 M Nagano Multi-speed transmission free wheel for a bicycle
JPS4980736A (it) * 1972-12-07 1974-08-03
US3964330A (en) * 1974-11-08 1976-06-22 Maeda Industries, Ltd. Chain guide connector device for use in bicycle derailleurs
FR2400648B1 (fr) * 1977-08-17 1983-07-22 Shimano Industrial Co Pignon, en particulier pour bicyclette
JPS563264Y2 (it) * 1977-08-19 1981-01-24
FR2459920A1 (fr) * 1979-06-26 1981-01-16 Simplex Ets Galet d'enroulement de chaine, notamment pour les changements de vitesse de bicyclettes et vehicules similaires
US4612004A (en) * 1983-08-02 1986-09-16 Shimano Industrial Company Limited Rear derailleur for a bicycle
US4813916A (en) * 1988-03-08 1989-03-21 Sachs-Huret S.A. Sprocket having teeth of improved shape and a cycle free-wheel including said sprocket

Also Published As

Publication number Publication date
EP0429007A1 (en) 1991-05-29
IT8968028A0 (it) 1989-11-21
JPH03178898A (ja) 1991-08-02
US5066264A (en) 1991-11-19

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Legal Events

Date Code Title Description
0001 Granted