IT1072014B - Ruota libera a piu rapporti per biciclette - Google Patents

Ruota libera a piu rapporti per biciclette

Info

Publication number
IT1072014B
IT1072014B IT69752/76A IT6975276A IT1072014B IT 1072014 B IT1072014 B IT 1072014B IT 69752/76 A IT69752/76 A IT 69752/76A IT 6975276 A IT6975276 A IT 6975276A IT 1072014 B IT1072014 B IT 1072014B
Authority
IT
Italy
Prior art keywords
bicycles
free wheel
multiple reports
reports
wheel
Prior art date
Application number
IT69752/76A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1072014B publication Critical patent/IT1072014B/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)
  • Transmissions By Endless Flexible Members (AREA)
  • Transmission Devices (AREA)
IT69752/76A 1975-11-18 1976-11-18 Ruota libera a piu rapporti per biciclette IT1072014B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50139491A JPS5262842A (en) 1975-11-18 1975-11-18 Multistep free wheel for bicycle

Publications (1)

Publication Number Publication Date
IT1072014B true IT1072014B (it) 1985-04-10

Family

ID=15246489

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69752/76A IT1072014B (it) 1975-11-18 1976-11-18 Ruota libera a piu rapporti per biciclette

Country Status (6)

Country Link
US (1) US4124107A (it)
JP (1) JPS5262842A (it)
DE (1) DE2652426C2 (it)
FR (1) FR2332170A1 (it)
GB (1) GB1569770A (it)
IT (1) IT1072014B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742790Y2 (it) * 1977-11-17 1982-09-20
JPS5742153Y2 (it) * 1978-12-12 1982-09-16
US4519791A (en) * 1982-09-03 1985-05-28 Shimano Industrial Company Limited Sprocket for a bicycle
DE4342236C1 (de) * 1993-12-10 1995-08-10 Vladimir Hetemov Fahrrad-Freilaufgangschaltung
US20040173049A1 (en) * 2003-03-04 2004-09-09 Jun-Cheng Chen Transmission mechanism of child bicycle
FR2885112B1 (fr) * 2005-04-27 2009-01-30 Claude Gregoire Dispositif de transmission de mouvement de pedalage sur des cycles pour deplacement ou entrainement
JP2007112578A (ja) * 2005-10-20 2007-05-10 Toyoake Kogyo Kk ベルトコンベヤ
US7854673B2 (en) * 2006-08-31 2010-12-21 Shimano Inc. Bicycle sprocket assembly having a reinforcement member coupled between sprockets
US20100009794A1 (en) * 2008-07-10 2010-01-14 Douglas Chiang Sprocket assembly
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE412323A (it) * 1900-01-01
US1412336A (en) * 1921-05-31 1922-04-11 Carter Arthur Free wheel
US2226247A (en) * 1938-09-28 1940-12-24 Lesage Alfred Freewheel locking device, more particularly for the hub of bicycles
US2988186A (en) * 1958-06-06 1961-06-13 Fichtel & Sachs Ag Device for disengaging ratchet gears
US3492883A (en) * 1967-12-14 1970-02-03 Tetsuo Maeda Driving chain gear of a bicycle
US3554340A (en) * 1968-10-02 1971-01-12 Keizo Shimano Free wheel for a bicycle
JPS4812676U (it) * 1971-06-21 1973-02-12
ES396325A1 (es) * 1971-10-23 1973-02-01 Zeus Ind S A Mejoras introducidas en los sistemas de rueda libre de co- ronas multiples para bicicletas.
JPS574558B2 (it) * 1972-01-27 1982-01-26

Also Published As

Publication number Publication date
GB1569770A (en) 1980-06-18
FR2332170B1 (it) 1980-04-04
JPS5411579B2 (it) 1979-05-16
DE2652426A1 (de) 1977-05-26
DE2652426C2 (de) 1983-10-20
US4124107A (en) 1978-11-07
FR2332170A1 (fr) 1977-06-17
JPS5262842A (en) 1977-05-24

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