FR795941A - Gear shifting for bicycles - Google Patents
Gear shifting for bicyclesInfo
- Publication number
- FR795941A FR795941A FR795941DA FR795941A FR 795941 A FR795941 A FR 795941A FR 795941D A FR795941D A FR 795941DA FR 795941 A FR795941 A FR 795941A
- 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 |
---|---|---|---|
CH795941X | 1934-10-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR795941A true FR795941A (en) | 1936-03-25 |
Family
ID=4537306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR795941D Expired FR795941A (en) | 1934-10-15 | 1935-10-04 | Gear shifting for bicycles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR795941A (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1009514B (en) * | 1954-06-12 | 1957-05-29 | Josef Wiesboeck | Sprocket change gear for bicycles u. like vehicles |
US4702121A (en) * | 1986-07-10 | 1987-10-27 | Hartmann Dirck T | Multiple speed driving wheel for pedal powered vehicles |
WO2000075005A1 (en) * | 1999-06-04 | 2000-12-14 | Llibrer Porcar Jose | Bottom bracket shell with built-in micro-derailleur for bicycles |
WO2003078133A1 (en) * | 2001-08-22 | 2003-09-25 | Llibrer Porcar Jose Miguel | Mechanical speed-changing system for bicycles and similar vehicles |
ES2201869A1 (en) * | 2001-08-22 | 2004-03-16 | Jose Miguel Llibrer Porcar | Mechanical speed changing system for bicycles has front and rear axles couple to frame, together with speed changing elements to form independent unit inside groove |
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 |
DE102008064514A1 (en) * | 2008-12-22 | 2010-07-01 | Fineschnitt Gmbh | gear unit |
NL2002788C2 (en) * | 2009-04-23 | 2010-10-26 | Teunis Karel Van Ee | TRANSMISSION. |
BE1018925A3 (en) * | 2009-04-24 | 2011-11-08 | Ee Teunis Karel Van | TRANSMISSION. |
US10399635B2 (en) | 2015-03-25 | 2019-09-03 | Shimano Inc. | Bicycle transmission device |
US11203396B2 (en) | 2015-03-25 | 2021-12-21 | Shimano Inc. | Bicycle drive unit |
-
1935
- 1935-10-04 FR FR795941D patent/FR795941A/en not_active Expired
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1009514B (en) * | 1954-06-12 | 1957-05-29 | Josef Wiesboeck | Sprocket change gear for bicycles u. like vehicles |
US4702121A (en) * | 1986-07-10 | 1987-10-27 | Hartmann Dirck T | Multiple speed driving wheel for pedal powered vehicles |
WO2000075005A1 (en) * | 1999-06-04 | 2000-12-14 | Llibrer Porcar Jose | Bottom bracket shell with built-in micro-derailleur for bicycles |
WO2003078133A1 (en) * | 2001-08-22 | 2003-09-25 | Llibrer Porcar Jose Miguel | Mechanical speed-changing system for bicycles and similar vehicles |
ES2201869A1 (en) * | 2001-08-22 | 2004-03-16 | Jose Miguel Llibrer Porcar | Mechanical speed changing system for bicycles has front and rear axles couple to frame, together with speed changing elements to form independent unit inside groove |
ES2217929A1 (en) * | 2001-08-22 | 2004-11-01 | Jose Miguel Llibrer Porcar | Mechanical speed changing system for bicycles has front and rear axles couple to frame, together with speed changing elements to form independent unit inside groove |
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 |
DE102008064514A1 (en) * | 2008-12-22 | 2010-07-01 | Fineschnitt Gmbh | gear unit |
NL2002788C2 (en) * | 2009-04-23 | 2010-10-26 | Teunis Karel Van Ee | TRANSMISSION. |
BE1018925A3 (en) * | 2009-04-24 | 2011-11-08 | Ee Teunis Karel Van | TRANSMISSION. |
US10399635B2 (en) | 2015-03-25 | 2019-09-03 | Shimano Inc. | Bicycle transmission device |
US10994802B2 (en) | 2015-03-25 | 2021-05-04 | Shimano Inc. | Bicycle transmission device |
US11203396B2 (en) | 2015-03-25 | 2021-12-21 | Shimano Inc. | Bicycle drive unit |
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