FR930416A - Gear shifting for bicycles - Google Patents
Gear shifting for bicyclesInfo
- Publication number
- FR930416A FR930416A FR930416DA FR930416A FR 930416 A FR930416 A FR 930416A FR 930416D A FR930416D A FR 930416DA FR 930416 A FR930416 A FR 930416A
- Authority
- FR
- France
- Prior art keywords
- bicycles
- gear shifting
- shifting
- 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
- B62M11/06—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with spur gear wheels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR930416T | 1946-06-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR930416A true FR930416A (en) | 1948-01-26 |
Family
ID=9445875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR930416D Expired FR930416A (en) | 1946-06-14 | 1946-06-14 | Gear shifting for bicycles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR930416A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002034615A1 (en) * | 2000-10-27 | 2002-05-02 | Georges Nicolas Vaskas | Combined out-in stroke mechanical transmission for facilitating and multiplying the speed of cycles and other pedal appliances |
ES2221512A1 (en) * | 2002-01-18 | 2004-12-16 | Norberto Santin Piedrafita | Group-throttle gear for bicycle, has set of pine nuts mounted on bottom bracket and set of pinions that are equipped on secondary axis, and secondary axis located parallel to bottom bracket |
-
1946
- 1946-06-14 FR FR930416D patent/FR930416A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002034615A1 (en) * | 2000-10-27 | 2002-05-02 | Georges Nicolas Vaskas | Combined out-in stroke mechanical transmission for facilitating and multiplying the speed of cycles and other pedal appliances |
FR2815931A1 (en) * | 2000-10-27 | 2002-05-03 | Georges Nicolas Vaskas | COMBINED ROUND-BACK MECHANICAL TRANSMISSION TO FACILITATE AND MULTIPLY THE SPEED OF CYCLES AND OTHER PEDAL SYSTEMS |
ES2221512A1 (en) * | 2002-01-18 | 2004-12-16 | Norberto Santin Piedrafita | Group-throttle gear for bicycle, has set of pine nuts mounted on bottom bracket and set of pinions that are equipped on secondary axis, and secondary axis located parallel to bottom bracket |
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