DE4418407C2 - Kettenritzelanordnung für Fahrräder - Google Patents

Kettenritzelanordnung für Fahrräder

Info

Publication number
DE4418407C2
DE4418407C2 DE4418407A DE4418407A DE4418407C2 DE 4418407 C2 DE4418407 C2 DE 4418407C2 DE 4418407 A DE4418407 A DE 4418407A DE 4418407 A DE4418407 A DE 4418407A DE 4418407 C2 DE4418407 C2 DE 4418407C2
Authority
DE
Germany
Prior art keywords
chain
sprocket
tooth
diameter
larger
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 - Fee Related
Application number
DE4418407A
Other languages
German (de)
English (en)
Other versions
DE4418407A1 (de
Inventor
Antonio Romano
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.)
Campagnolo SRL
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
Publication of DE4418407A1 publication Critical patent/DE4418407A1/de
Application granted granted Critical
Publication of DE4418407C2 publication Critical patent/DE4418407C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

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)
DE4418407A 1993-06-03 1994-05-26 Kettenritzelanordnung für Fahrräder Expired - Fee Related DE4418407C2 (de)

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 (2)

Publication Number Publication Date
DE4418407A1 DE4418407A1 (de) 1994-12-08
DE4418407C2 true DE4418407C2 (de) 2002-11-07

Family

ID=11411525

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4418407A Expired - Fee Related DE4418407C2 (de) 1993-06-03 1994-05-26 Kettenritzelanordnung für Fahrräder

Country Status (4)

Country Link
US (1) US5437582A (en, 2012)
DE (1) DE4418407C2 (en, 2012)
FR (1) FR2705941A1 (en, 2012)
IT (1) IT1270417B (en, 2012)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10256746A1 (de) * 2002-12-05 2004-06-24 Hans Helmig Gmbh Schaltungskettenräder
DE102006010498A1 (de) * 2006-03-07 2007-09-13 Sram Deutschland Gmbh Mehrfachkettenradeinheit und Kettenschaltung, insbesondere für Fahrräder
US8066603B2 (en) 2007-09-21 2011-11-29 Sram Deutschland Gmbh Multi-speed sprocket assembly

Families Citing this family (32)

* 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
DE69715628T2 (de) * 1996-07-25 2003-02-06 Cloyes Gear & Products, Inc. Wahlfrei eingreifendes rollenkettenrad mit verbessertem rauschverhalten
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
US6761657B2 (en) 1996-12-19 2004-07-13 Cloyes Gear And Products, Inc. Roller chain sprocket with added chordal pitch reduction
US7416500B2 (en) * 1996-12-19 2008-08-26 Cloyes Gear And Products, Inc. Random engagement roller chain sprocket and timing chain system including same
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
US8092329B2 (en) * 2005-08-31 2012-01-10 Wick Werks, LLC Bicycle chain rings with ramps
US8617015B2 (en) 2005-09-27 2013-12-31 Wick Werks, LLC Bicycle chain rings
USD540718S1 (en) 2006-03-01 2007-04-17 Wickliffe Christopher A Pair of bicycle chain rings
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
USD599717S1 (en) 2008-09-18 2009-09-08 Wickliffe Christopher A Large cyclocross bike chain ring
USD599719S1 (en) 2008-09-18 2009-09-08 Wickliffe Christopher A Medium mountain bike chain ring
USD599716S1 (en) 2008-09-18 2009-09-08 Wickliffe Christopher A Large road 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
US20170191558A1 (en) * 2014-05-29 2017-07-06 Miranda & Irmaco, 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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268259A (en) * 1977-08-25 1981-05-19 Shimano Industrial Company Limited Multi-speed sprockets for a bicycle and the like
EP0313345A2 (en) * 1987-10-21 1989-04-26 Shimano Industrial Company Limited Multistage sprocket assembly for a bicycle
FR2638702A1 (fr) * 1988-11-07 1990-05-11 Shimano Industrial Co Ensemble a pignons juxtaposes pour bicyclette
EP0429007A1 (en) * 1989-11-21 1991-05-29 Campagnolo S.R.L. A gear for bicycles and a freewheel for bicycles including a plurality of such gears
EP0479032A1 (en) * 1990-09-18 1992-04-08 Maeda Industries, Ltd. Multiple sprocket assembly for bicycle
US5188569A (en) * 1991-03-29 1993-02-23 Maeda Industries, Ltd. Multiple sprocket assembly for bicycle

Family Cites Families (5)

* 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
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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268259A (en) * 1977-08-25 1981-05-19 Shimano Industrial Company Limited Multi-speed sprockets for a bicycle and the like
EP0313345A2 (en) * 1987-10-21 1989-04-26 Shimano Industrial Company Limited Multistage sprocket assembly for a bicycle
FR2638702A1 (fr) * 1988-11-07 1990-05-11 Shimano Industrial Co Ensemble a pignons juxtaposes pour bicyclette
EP0429007A1 (en) * 1989-11-21 1991-05-29 Campagnolo S.R.L. A gear for bicycles and a freewheel for bicycles including a plurality of such gears
EP0479032A1 (en) * 1990-09-18 1992-04-08 Maeda Industries, Ltd. Multiple sprocket assembly for bicycle
US5188569A (en) * 1991-03-29 1993-02-23 Maeda Industries, Ltd. Multiple sprocket assembly for bicycle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10256746A1 (de) * 2002-12-05 2004-06-24 Hans Helmig Gmbh Schaltungskettenräder
DE102006010498A1 (de) * 2006-03-07 2007-09-13 Sram Deutschland Gmbh Mehrfachkettenradeinheit und Kettenschaltung, insbesondere für Fahrräder
US8066603B2 (en) 2007-09-21 2011-11-29 Sram Deutschland Gmbh Multi-speed sprocket assembly

Also Published As

Publication number Publication date
DE4418407A1 (de) 1994-12-08
ITTO930391A0 (it) 1993-06-03
IT1270417B (it) 1997-05-05
FR2705941B1 (en, 2012) 1997-02-21
ITTO930391A1 (it) 1994-12-03
US5437582A (en) 1995-08-01
FR2705941A1 (fr) 1994-12-09

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUSSER,

D2 Grant after examination
8364 No opposition during term of opposition
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20121201