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ITTO930391A1 - Gruppo pignoni per biciclette - Google Patents

Gruppo pignoni per biciclette

Info

Publication number
ITTO930391A1
ITTO930391A1 IT000391A ITTO930391A ITTO930391A1 IT TO930391 A1 ITTO930391 A1 IT TO930391A1 IT 000391 A IT000391 A IT 000391A IT TO930391 A ITTO930391 A IT TO930391A IT TO930391 A1 ITTO930391 A1 IT TO930391A1
Authority
IT
Italy
Prior art keywords
bicycles
pinion group
pinion
group
Prior art date
Application number
IT000391A
Other languages
English (en)
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 ITTO930391A priority Critical patent/IT1270417B/it
Publication of ITTO930391A0 publication Critical patent/ITTO930391A0/it
Priority to FR9403198A priority patent/FR2705941A1/fr
Priority to US08/222,527 priority patent/US5437582A/en
Priority to DE4418407A priority patent/DE4418407C2/de
Publication of ITTO930391A1 publication Critical patent/ITTO930391A1/it
Application granted granted Critical
Publication of IT1270417B publication Critical patent/IT1270417B/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)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
ITTO930391A 1993-06-03 1993-06-03 Gruppo pignoni per biciclette IT1270417B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITTO930391A IT1270417B (it) 1993-06-03 1993-06-03 Gruppo pignoni per biciclette
FR9403198A FR2705941A1 (fr) 1993-06-03 1994-03-18 Ensemble de pignons pour bicyclettes.
US08/222,527 US5437582A (en) 1993-06-03 1994-04-04 Sprocket assembly for bicycles
DE4418407A DE4418407C2 (de) 1993-06-03 1994-05-26 Kettenritzelanordnung für Fahrräder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO930391A IT1270417B (it) 1993-06-03 1993-06-03 Gruppo pignoni per biciclette

Publications (3)

Publication Number Publication Date
ITTO930391A0 ITTO930391A0 (it) 1993-06-03
ITTO930391A1 true ITTO930391A1 (it) 1994-12-03
IT1270417B IT1270417B (it) 1997-05-05

Family

ID=11411525

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO930391A IT1270417B (it) 1993-06-03 1993-06-03 Gruppo pignoni per biciclette

Country Status (4)

Country Link
US (1) US5437582A (it)
DE (1) DE4418407C2 (it)
FR (1) FR2705941A1 (it)
IT (1) IT1270417B (it)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5569107A (en) * 1995-05-31 1996-10-29 Falcon Industrial Co., Ltd. Multi-step bicycle transmission sprocket assembly
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
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
US6090003A (en) * 1996-07-25 2000-07-18 Cloyes Gear & Products, Inc. Random engagement roller chain sprocket having improved noise characteristics
DE29621084U1 (de) * 1996-12-04 1998-04-02 Joh. Winklhofer & Söhne GmbH und Co KG, 81369 München Kettenrad
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
US5876159A (en) * 1997-04-23 1999-03-02 Industrial Technology Research Institute Sprocket trimming method for the multi-stage sprocket assembly
US5733215A (en) * 1997-06-23 1998-03-31 Industrial Technology Research Institute Multi-speed sprocket assembly of a bicycle
US6045472A (en) * 1997-12-30 2000-04-04 National Science Council Integrated up-and downshifting configuration of a multistage sprocket assembly for a bicycle
US6013001A (en) * 1998-02-04 2000-01-11 Shimano, Inc. Bicycle sprocket having recesses beneath chain receiving edges
US6923741B2 (en) * 2002-08-30 2005-08-02 Shimano Inc. Top sprocket for a rear sprocket assembly and rear sprocket assembly for a bicycle
DE10256746A1 (de) * 2002-12-05 2004-06-24 Hans Helmig Gmbh Schaltungskettenräder
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
USD540718S1 (en) 2006-03-01 2007-04-17 Wickliffe Christopher A Pair of bicycle chain rings
DE102006010498A1 (de) * 2006-03-07 2007-09-13 Sram Deutschland Gmbh Mehrfachkettenradeinheit und Kettenschaltung, insbesondere für Fahrräder
DE102007045424A1 (de) * 2007-09-21 2009-04-02 Sram Deutschland Gmbh Mehrfachkettenradeinheit für Fahrräder
USD599717S1 (en) 2008-09-18 2009-09-08 Wickliffe Christopher A Large cyclocross bike chain ring
USD599718S1 (en) 2008-09-18 2009-09-08 Wickliffe Christopher A Large mountain bike chain ring
USD599255S1 (en) 2008-09-18 2009-09-01 Wickliffe Christopher A Medium road bike chain ring
USD599716S1 (en) 2008-09-18 2009-09-08 Wickliffe Christopher A Large road bike chain ring
USD599719S1 (en) 2008-09-18 2009-09-08 Wickliffe Christopher A Medium mountain bike chain ring
DE102011013695B4 (de) 2011-03-11 2024-02-01 Sram Deutschland Gmbh Antriebseinheit am Hinterrad eines Fahrrades
US9651138B2 (en) 2011-09-30 2017-05-16 Mtd Products Inc. Speed control assembly for a self-propelled walk-behind lawn mower
USD750676S1 (en) * 2013-09-06 2016-03-01 E. F. Bavis & Associates, Inc. Sprocket tooth
DE102013220293A1 (de) 2013-10-08 2015-04-09 Robert Bosch Gmbh Motorisch und mit Muskelkraft betreibbares Fahrzeug mit Gangwechsel-Unterstützung
WO2015181585A1 (en) * 2014-05-29 2015-12-03 Miranda & Irmão, Lda. Drivetrain system and use thereof
DE102015219522B4 (de) 2014-10-14 2025-07-24 Sram Deutschland Gmbh Mehrfach-Kettenradanordnung für eine Hinterradnabe
US10577051B2 (en) * 2017-09-15 2020-03-03 Shimano Inc. Bicycle sprocket
DE202019003258U1 (de) * 2019-08-05 2019-09-02 Sram Deutschland Gmbh Ritzelanordung mit Schalthilfen für Outboard-Schalten
DE102021209407A1 (de) 2021-08-26 2023-03-02 Shimano Inc. Ein hinteres kettenrad und eine hintere kettenradanordnung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772932A (en) * 1970-12-30 1973-11-20 M Nagano Multi-speed transmission free wheel for a bicycle
US4268259A (en) * 1977-08-25 1981-05-19 Shimano Industrial Company Limited Multi-speed sprockets for a bicycle and the like
DE3887076T2 (de) * 1987-10-21 1994-07-21 Shimano Industrial Co Zusammenbau eines mehrstufigen Kettenrades für ein Fahrrad.
JPH02127185A (ja) * 1988-11-07 1990-05-15 Shimano Ind Co Ltd 自転車用多段スプロケット装置
IT1237281B (it) * 1989-11-21 1993-05-27 Campagnolo Srl Ruota dentata per bicicletta e ruota libera per biciclette includente una pluralita' di tali ruote dentate
US5192249A (en) * 1990-02-28 1993-03-09 Shimano, Inc. Multi-stage sprocket assembly for bicycle
US5192248A (en) * 1990-06-24 1993-03-09 Shimano, Inc. Multi-stage sprocket assembly for bicycle
US5162022A (en) * 1990-09-18 1992-11-10 Maeda Industries, Ltd. Multiple sprocket assembly for bicycle
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
DE9201430U1 (de) * 1992-02-04 1992-03-26 Chen, Chun-Hsung, Feng-Yuan City Zahnkranzanordnung für ein Fahrrad mit Gangschaltung

Also Published As

Publication number Publication date
IT1270417B (it) 1997-05-05
FR2705941B1 (it) 1997-02-21
FR2705941A1 (fr) 1994-12-09
US5437582A (en) 1995-08-01
DE4418407A1 (de) 1994-12-08
ITTO930391A0 (it) 1993-06-03
DE4418407C2 (de) 2002-11-07

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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: 19970604