IT1237124B - Complesso di rocchetti dentati multivelocita' per biciclette. - Google Patents

Complesso di rocchetti dentati multivelocita' per biciclette.

Info

Publication number
IT1237124B
IT1237124B IT02226589A IT2226589A IT1237124B IT 1237124 B IT1237124 B IT 1237124B IT 02226589 A IT02226589 A IT 02226589A IT 2226589 A IT2226589 A IT 2226589A IT 1237124 B IT1237124 B IT 1237124B
Authority
IT
Italy
Prior art keywords
bicycles
speed sprocket
complex
sprocket complex
speed
Prior art date
Application number
IT02226589A
Other languages
English (en)
Other versions
IT8922265A0 (it
IT8922265A1 (it
Inventor
Nagano Masashi
Original Assignee
Shimano Industrial Co
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 filed Critical Shimano Industrial Co
Publication of IT8922265A0 publication Critical patent/IT8922265A0/it
Publication of IT8922265A1 publication Critical patent/IT8922265A1/it
Application granted granted Critical
Publication of IT1237124B publication Critical patent/IT1237124B/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
    • 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)
IT02226589A 1988-11-07 1989-11-03 Complesso di rocchetti dentati multivelocita' per biciclette. IT1237124B (it)

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 (3)

Publication Number Publication Date
IT8922265A0 IT8922265A0 (it) 1989-11-03
IT8922265A1 IT8922265A1 (it) 1991-05-03
IT1237124B true IT1237124B (it) 1993-05-18

Family

ID=17633810

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02226589A IT1237124B (it) 1988-11-07 1989-11-03 Complesso di rocchetti dentati multivelocita' per biciclette.

Country Status (5)

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

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
DE4434752A1 (de) * 1994-09-29 1996-04-04 Fichtel & Sachs Ag Kettenschaltung, insbesondere für Fahrräder
US5716297A (en) * 1993-09-13 1998-02-10 Fichtel & Sachs Ag Derailleur arrangement for bicycles
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
WO1998004848A2 (en) * 1996-07-25 1998-02-05 Cloyes Gear And Products, Inc. Random engagement roller chain sprocket 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
US7416500B2 (en) * 1996-12-19 2008-08-26 Cloyes Gear And Products, Inc. Random engagement roller chain sprocket and timing chain system including same
US6761657B2 (en) 1996-12-19 2004-07-13 Cloyes Gear And Products, Inc. Roller chain sprocket with added chordal pitch reduction
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 (en) * 2001-02-23 2002-08-28 Morse Tec Europe S.p.A. Sprocket for a roller chain or bushing chain, with teeth having a different flank profile on the same sprocket
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 (en) * 2008-04-10 2009-10-14 CAMPAGNOLO S.r.l. Toothed wheel and group of toothed wheels for a bicycle transmission system
US9376165B2 (en) * 2009-10-16 2016-06-28 Shimano Inc. Bicycle sprocket
US9327792B2 (en) 2011-01-28 2016-05-03 Paha Designs, Llc Gear transmission and derailleur system
US9033833B2 (en) 2011-01-28 2015-05-19 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 (it) * 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
DE3936921C2 (de) 1994-03-17
FR2638702B1 (fr) 1994-02-25
JPH02127185A (ja) 1990-05-15
DE3936921A1 (de) 1990-05-10
IT8922265A0 (it) 1989-11-03
FR2638702A1 (fr) 1990-05-11
US5073151A (en) 1991-12-17
IT8922265A1 (it) 1991-05-03

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971129