ITFI980071A0 - Dispositivo perfezionato per il cambio di velocita' in biciclette, particolarmente da corsa - Google Patents

Dispositivo perfezionato per il cambio di velocita' in biciclette, particolarmente da corsa

Info

Publication number
ITFI980071A0
ITFI980071A0 IT98FI000071A ITFI980071A ITFI980071A0 IT FI980071 A0 ITFI980071 A0 IT FI980071A0 IT 98FI000071 A IT98FI000071 A IT 98FI000071A IT FI980071 A ITFI980071 A IT FI980071A IT FI980071 A0 ITFI980071 A0 IT FI980071A0
Authority
IT
Italy
Prior art keywords
bicycles
gear change
improved device
particularly racing
racing
Prior art date
Application number
IT98FI000071A
Other languages
English (en)
Inventor
Andrea Bartolozzi
Attilio Bartolozzi
Original Assignee
Andrea Bartolozzi
Attilio Bartolozzi
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 Andrea Bartolozzi, Attilio Bartolozzi filed Critical Andrea Bartolozzi
Priority to IT98FI000071A priority Critical patent/ITFI980071A1/it
Publication of ITFI980071A0 publication Critical patent/ITFI980071A0/it
Priority to EP98830516A priority patent/EP0945335A1/en
Priority to US09/149,833 priority patent/US6022284A/en
Priority to AU16386/99A priority patent/AU738752B2/en
Priority to CA002262165A priority patent/CA2262165A1/en
Priority to CN99104313A priority patent/CN1097541C/zh
Publication of ITFI980071A1 publication Critical patent/ITFI980071A1/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
    • 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

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)
  • Control Of Transmission Device (AREA)
IT98FI000071A 1998-03-26 1998-03-26 Dispositivo perfezionato per il cambio di velocita' in biciclette, particolarmente da corsa ITFI980071A1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT98FI000071A ITFI980071A1 (it) 1998-03-26 1998-03-26 Dispositivo perfezionato per il cambio di velocita' in biciclette, particolarmente da corsa
EP98830516A EP0945335A1 (en) 1998-03-26 1998-08-28 Apparatus for changing gear ratio in bicycles
US09/149,833 US6022284A (en) 1998-03-26 1998-09-08 Apparatus for changing gear ratio in bicycles, especially in race bicycles
AU16386/99A AU738752B2 (en) 1998-03-26 1999-02-11 Improved apparatus for changing gear ratio in bicycles, especially in race bicycles
CA002262165A CA2262165A1 (en) 1998-03-26 1999-02-17 Improved apparatus for changing gear ratio in bicycles, especially in race bicycles
CN99104313A CN1097541C (zh) 1998-03-26 1999-03-25 改变自行车、尤其是赛车传动比的改进装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT98FI000071A ITFI980071A1 (it) 1998-03-26 1998-03-26 Dispositivo perfezionato per il cambio di velocita' in biciclette, particolarmente da corsa

Publications (2)

Publication Number Publication Date
ITFI980071A0 true ITFI980071A0 (it) 1998-03-26
ITFI980071A1 ITFI980071A1 (it) 1999-09-26

Family

ID=11352465

Family Applications (1)

Application Number Title Priority Date Filing Date
IT98FI000071A ITFI980071A1 (it) 1998-03-26 1998-03-26 Dispositivo perfezionato per il cambio di velocita' in biciclette, particolarmente da corsa

Country Status (6)

Country Link
US (1) US6022284A (it)
EP (1) EP0945335A1 (it)
CN (1) CN1097541C (it)
AU (1) AU738752B2 (it)
CA (1) CA2262165A1 (it)
IT (1) ITFI980071A1 (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6805645B2 (en) * 2001-10-15 2004-10-19 Apex Bicycle Components Corporation Ltd. Tooth contour structure for large sprocket set of bicycle
US20050282671A1 (en) * 2004-06-22 2005-12-22 Shimano, Inc. Shift assist projection for bicycle sprocket
EP1764296B1 (en) * 2005-09-15 2012-05-30 Campagnolo S.r.l. Toothed wheel of a bicycle drivetrain
DE102007045424A1 (de) * 2007-09-21 2009-04-02 Sram Deutschland Gmbh Mehrfachkettenradeinheit für Fahrräder
DE102008031162B4 (de) 2008-07-03 2021-10-21 Sram Deutschland Gmbh Mehrfach-Kettenzahnrad für ein Fahrrad
US8235850B2 (en) * 2008-12-01 2012-08-07 Tien Hsin Industries Co., Ltd. Multiple sprocket assembly
DE102008060501B4 (de) * 2008-12-04 2015-10-15 Tien Hsin Industries Co., Ltd. Mehrfachzahnkranzanordnung
IT1392382B1 (it) 2008-12-23 2012-03-02 O M Casana Di Casana G E M & C S A S Guarnitura per il movimento centrale di un ciclo o di un motociclo
US8820192B2 (en) 2009-04-29 2014-09-02 Race Face Prerformance Products Inc. Bicycle crank arm and insert therefore
CN103171735A (zh) * 2012-02-02 2013-06-26 费林宝 组装式轮盘
CN107380340B (zh) 2016-04-11 2021-01-01 福克斯制造有限公司 自行车前链轮
EP3251937A1 (en) 2016-06-03 2017-12-06 ZUMA Innovation, S.L. Chain-rings set for a bicycle power transmission system provided with segmented chain-ring
EP3251938A1 (en) 2016-06-03 2017-12-06 ZUMA Innovation, S.L. Chain-rings set for a power transmission system provided with segmented chain-rings in different planes
ES2716658T3 (es) 2016-06-03 2019-06-13 Zuma Innovation S L Conjunto de platos para un sistema de transmisión de potencia
IT201600103875A1 (it) 2016-10-17 2018-04-17 Campagnolo Srl Piolino per una corona di una guarnitura di bicicletta
ES2787860T3 (es) * 2017-04-07 2020-10-19 Zuma Innovation S L Casete para un sistema de transmisión de bicicleta
US11014628B2 (en) 2017-04-28 2021-05-25 Fox Factory, Inc. Cinch direct mount 2X ring system
US11359709B2 (en) 2018-12-18 2022-06-14 Fox Factory, Inc. Chainring
US11680633B2 (en) * 2019-02-08 2023-06-20 Fox Factory, Inc. Chainring

Family Cites Families (8)

* 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
US5192249A (en) * 1990-02-28 1993-03-09 Shimano, Inc. Multi-stage sprocket assembly for bicycle
JPH05112278A (ja) * 1991-10-21 1993-05-07 Shimano Inc 自転車用多段スプロケツト装置
FR2687977B1 (fr) * 1992-02-27 1994-04-22 Bg Innovation Dispositifs permettant les changements de vitesses sur bicyclettes.
US5466194A (en) * 1994-06-29 1995-11-14 Bebop Incorporated Jockey wheel assembly
EP0906864A3 (en) * 1994-12-20 1999-10-20 Shimano Inc. Bicycle shift control device with balanced spring tension
US5545096A (en) * 1995-08-29 1996-08-13 Su; Bor-Lin Sprocket mechanism for a multistage bicycle
TW373616U (en) * 1997-04-16 1999-11-01 Ind Tech Res Inst Tooth structure of the chainwheels set of the bicycle

Also Published As

Publication number Publication date
AU738752B2 (en) 2001-09-27
US6022284A (en) 2000-02-08
AU1638699A (en) 1999-10-07
CN1097541C (zh) 2003-01-01
ITFI980071A1 (it) 1999-09-26
CA2262165A1 (en) 1999-09-26
EP0945335A1 (en) 1999-09-29
CN1235112A (zh) 1999-11-17

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