IT1133770B - CHANGE GEAR IN PARTICULAR FOR BIKES - Google Patents

CHANGE GEAR IN PARTICULAR FOR BIKES

Info

Publication number
IT1133770B
IT1133770B IT25848/80A IT2584880A IT1133770B IT 1133770 B IT1133770 B IT 1133770B IT 25848/80 A IT25848/80 A IT 25848/80A IT 2584880 A IT2584880 A IT 2584880A IT 1133770 B IT1133770 B IT 1133770B
Authority
IT
Italy
Prior art keywords
bikes
change gear
gear
change
Prior art date
Application number
IT25848/80A
Other languages
Italian (it)
Other versions
IT8025848A0 (en
Inventor
Ernst Von Der Osten-Sacken
Original Assignee
Thun Alfred & Co Gmbh
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 Thun Alfred & Co Gmbh filed Critical Thun Alfred & Co Gmbh
Publication of IT8025848A0 publication Critical patent/IT8025848A0/en
Application granted granted Critical
Publication of IT1133770B publication Critical patent/IT1133770B/en

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)
IT25848/80A 1979-11-09 1980-11-07 CHANGE GEAR IN PARTICULAR FOR BIKES IT1133770B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2945271A DE2945271C2 (en) 1979-11-09 1979-11-09 Sprocket set for the derailleur of a bicycle

Publications (2)

Publication Number Publication Date
IT8025848A0 IT8025848A0 (en) 1980-11-07
IT1133770B true IT1133770B (en) 1986-07-09

Family

ID=6085569

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25848/80A IT1133770B (en) 1979-11-09 1980-11-07 CHANGE GEAR IN PARTICULAR FOR BIKES

Country Status (3)

Country Link
DE (1) DE2945271C2 (en)
FR (1) FR2469624A1 (en)
IT (1) IT1133770B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE313345T1 (en) * 1987-10-21 1990-05-03 ASSEMBLING A MULTI-STAGE SPROCKET FOR A BICYCLE.
JPH02127185A (en) * 1988-11-07 1990-05-15 Shimano Ind Co Ltd Multistage chain sprocket device for bicycle
JP2901268B2 (en) * 1989-05-01 1999-06-07 株式会社シマノ Multi-stage gear device
JP3140026B2 (en) * 1990-02-28 2001-03-05 株式会社シマノ Multi-stage sprocket device for bicycle
US5192249A (en) * 1990-02-28 1993-03-09 Shimano, Inc. Multi-stage sprocket assembly for bicycle
JP3111072B2 (en) * 1990-02-28 2000-11-20 株式会社シマノ Multi-stage sprocket device for bicycle
US5192248A (en) * 1990-06-24 1993-03-09 Shimano, Inc. Multi-stage sprocket assembly for bicycle
DE4330989A1 (en) * 1993-09-13 1995-03-16 Fichtel & Sachs Ag Derailleur gears, especially for bicycles
DE4445035C1 (en) * 1994-12-16 1996-06-05 Fichtel & Sachs Ag Derailleur
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 (en) * 2002-12-05 2004-06-24 Hans Helmig Gmbh Circuit sprockets

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS563264Y2 (en) * 1977-08-19 1981-01-24
US4268259A (en) * 1977-08-25 1981-05-19 Shimano Industrial Company Limited Multi-speed sprockets for a bicycle and the like

Also Published As

Publication number Publication date
DE2945271C2 (en) 1983-10-20
IT8025848A0 (en) 1980-11-07
FR2469624A1 (en) 1981-05-22
DE2945271A1 (en) 1981-05-21

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