FR1140E - Two-speed crank gear that can be adapted to all velocipedes - Google Patents
Two-speed crank gear that can be adapted to all velocipedesInfo
- Publication number
- FR1140E FR1140E FR1140DA FR1140E FR 1140 E FR1140 E FR 1140E FR 1140D A FR1140D A FR 1140DA FR 1140 E FR1140 E FR 1140E
- Authority
- FR
- France
- Prior art keywords
- velocipedes
- crank gear
- speed crank
- speed
- gear
- 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
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
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
- B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
- B62M11/145—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the bottom bracket
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR320496T | 1902-04-19 | ||
FR1140T | 1902-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1140E true FR1140E (en) | 1903-06-05 |
Family
ID=1343058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1140D Expired FR1140E (en) | 1902-04-19 | 1902-11-17 | Two-speed crank gear that can be adapted to all velocipedes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1140E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998052816A1 (en) | 1997-05-21 | 1998-11-26 | Alain Martinot | Bicycle crank gear for reducing effort, and bicycle equipped with same |
-
1902
- 1902-11-17 FR FR1140D patent/FR1140E/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998052816A1 (en) | 1997-05-21 | 1998-11-26 | Alain Martinot | Bicycle crank gear for reducing effort, and bicycle equipped with same |
FR2763557A1 (en) * | 1997-05-21 | 1998-11-27 | Alain Roger Martinot | PEDAL REDUCER OF EFFORT FOR CYCLES, AND CYCLE EQUIPPED WITH SUCH A CRANKSET |
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