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DE2860829D1 - A multi-stage gear crank for a cycle - Google Patents

A multi-stage gear crank for a cycle

Info

Publication number
DE2860829D1
DE2860829D1 DE7878300782T DE2860829T DE2860829D1 DE 2860829 D1 DE2860829 D1 DE 2860829D1 DE 7878300782 T DE7878300782 T DE 7878300782T DE 2860829 T DE2860829 T DE 2860829T DE 2860829 D1 DE2860829 D1 DE 2860829D1
Authority
DE
Germany
Prior art keywords
cycle
stage gear
gear crank
crank
stage
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
Application number
DE7878300782T
Other languages
English (en)
Inventor
Tadashi Ueno
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.)
Shimano Inc
Original Assignee
Shimano Industrial Co Ltd
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 Ltd filed Critical Shimano Industrial Co Ltd
Application granted granted Critical
Publication of DE2860829D1 publication Critical patent/DE2860829D1/de
Expired 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2164—Cranks and pedals
    • Y10T74/2165—Cranks and pedals with attached gear

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Gears, Cams (AREA)
DE7878300782T 1977-12-16 1978-12-11 A multi-stage gear crank for a cycle Expired DE2860829D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15223877A JPS5483244A (en) 1977-12-16 1977-12-16 Multiple gear crank for bicycle

Publications (1)

Publication Number Publication Date
DE2860829D1 true DE2860829D1 (en) 1981-10-15

Family

ID=15536098

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7878300782T Expired DE2860829D1 (en) 1977-12-16 1978-12-11 A multi-stage gear crank for a cycle

Country Status (4)

Country Link
US (1) US4259880A (de)
EP (1) EP0002903B1 (de)
JP (1) JPS5483244A (de)
DE (1) DE2860829D1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2400648B1 (fr) * 1977-08-17 1983-07-22 Shimano Industrial Co Pignon, en particulier pour bicyclette
US4268259A (en) * 1977-08-25 1981-05-19 Shimano Industrial Company Limited Multi-speed sprockets for a bicycle and the like
JPS5632387Y2 (de) * 1978-04-07 1981-08-01
JPS5819996Y2 (ja) * 1978-07-07 1983-04-25 株式会社シマノ 自転車用スプロケット
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
DE3173124D1 (en) * 1980-08-18 1986-01-16 Shimano Industrial Co Gear crank for pedal vehicle
FR2507992B1 (fr) * 1981-06-17 1986-11-07 Haubtmann A Sa Ets Double plateau pour pedalier de bicyclettes et vehicules similaires et son procede de fabrication et d'assemblage
JPH03295U (de) * 1989-02-15 1991-01-07
US4988328A (en) * 1989-03-06 1991-01-29 Maeda Industries, Ltd. Bicycle multiple chainwheel
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
JPH0378694U (de) * 1989-12-05 1991-08-09
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
JPH04119795U (ja) * 1991-04-11 1992-10-27 株式会社シマノ 自転車用ギアクランク装置
US5213550A (en) * 1992-01-23 1993-05-25 Wu Chuen Fwu Variable speed-type bicycle chain ring assembly
US5285701A (en) * 1992-05-26 1994-02-15 Danial Parachinni Gearing mechanism for high speed bicycles
JPH05330479A (ja) * 1992-12-18 1993-12-14 Maeda Kogyo Kk 自転車用多段スプロケット装置
US5314366A (en) * 1993-03-25 1994-05-24 Palm Kirby A Adapter chainring
US5426997A (en) * 1993-06-28 1995-06-27 Brion; Donald G. Bicycle chain drive assembly
US6116114A (en) * 1993-08-23 2000-09-12 Edwards; Craig H. Rotatable spindle assembly utilizing two-piece spindle
DE4330989A1 (de) * 1993-09-13 1995-03-16 Fichtel & Sachs Ag Kettenschaltung, insbesondere für Fahrräder
DE4445035C1 (de) * 1994-12-16 1996-06-05 Fichtel & Sachs Ag Kettenschaltung
US5766106A (en) * 1995-09-08 1998-06-16 Edwards; Craig H. Crankset assembly
US5759124A (en) * 1995-10-18 1998-06-02 National Science Council Multistage sprocket used in a bicycle rear derailleur system
US6293884B1 (en) 1999-09-08 2001-09-25 Chattin Cluster Gears, Inc. Cluster sprockets for bicycle transmissions and other prime movers
US6622768B2 (en) * 2001-09-27 2003-09-23 Kwang Ho You Correction tape roll device
US20040259674A1 (en) * 2003-06-23 2004-12-23 Pfister Dennis M. Sprocket having variable height teeth
FR2912988B1 (fr) * 2007-02-23 2009-04-17 Look Cycle Internat Sa "pedalier de cycle a plateaux doubles"
DE102007021972A1 (de) * 2007-05-10 2008-11-20 Schaeffler Kg Antriebseinrichtung mit einer Antriebswelle und Antriebskurbeln
ITMI20071661A1 (it) * 2007-08-09 2009-02-10 Campagnolo Srl Assieme di ruote dentate per una bicicletta
US7975561B1 (en) * 2008-02-29 2011-07-12 Saris Cycling Group, Inc. Chain ring power sensor for a bicycle
WO2012066396A2 (en) * 2010-06-28 2012-05-24 Twdt Precision Co. , Ltd. Integrated bicycle chainring assembly
DE102010039251B4 (de) * 2010-08-12 2014-11-27 Hirschvogel Umformtechnik Gmbh Rohling eines Maschinenbauteils, das Zähne umfasst, sowie Herstellungsverfahren eines solchen Maschinenbauteils
US9964196B2 (en) * 2014-05-20 2018-05-08 Shimano Inc. Bicycle sprocket
US9540070B2 (en) * 2015-05-27 2017-01-10 Shimano Inc. Bicycle sprocket and bicycle crank assembly
US10093389B2 (en) * 2016-11-16 2018-10-09 Shimano Inc. Bicycle front sprocket, bicycle crank assembly, and bicycle drive train
JP7219013B2 (ja) * 2018-04-06 2023-02-07 株式会社シマノ 人力駆動車用コンポーネント
RS1580U1 (sr) 2018-09-27 2019-01-31 SLAVIK Zoltan Transportna paleta od recikliranog materijala

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1168825A (fr) * 1957-03-05 1958-12-17 Perfectionnements aux galets et pignons de changements de vitesses pour cycles
US3661021A (en) * 1969-07-26 1972-05-09 Masakazu Ohshita Shimano Ind C Multiple free wheel for a bicycle
US3709053A (en) * 1970-05-26 1973-01-09 Shimano Industrial Co Multi-speed transmission front gear mechanism for a bicycle
US3772932A (en) * 1970-12-30 1973-11-20 M Nagano Multi-speed transmission free wheel for a bicycle
JPS4980736A (de) * 1972-12-07 1974-08-03
JPS514436U (de) * 1974-06-25 1976-01-13
JPS5427719Y2 (de) * 1975-05-24 1979-09-07
JPS551989Y2 (de) * 1976-12-28 1980-01-19

Also Published As

Publication number Publication date
JPS563230B2 (de) 1981-01-23
US4259880A (en) 1981-04-07
JPS5483244A (en) 1979-07-03
EP0002903B1 (de) 1981-07-08
EP0002903A1 (de) 1979-07-11

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee