IT1133770B - CHANGE GEAR IN PARTICULAR FOR BIKES - Google Patents
CHANGE GEAR IN PARTICULAR FOR BIKESInfo
- 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
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)
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)
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)
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 |
-
1979
- 1979-11-09 DE DE2945271A patent/DE2945271C2/en not_active Expired
-
1980
- 1980-10-23 FR FR8022651A patent/FR2469624A1/en not_active Withdrawn
- 1980-11-07 IT IT25848/80A patent/IT1133770B/en active
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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