GB777951A - Improvements in or relating to motor assisted bicycles - Google Patents
Improvements in or relating to motor assisted bicyclesInfo
- Publication number
- GB777951A GB777951A GB7732/54A GB773254A GB777951A GB 777951 A GB777951 A GB 777951A GB 7732/54 A GB7732/54 A GB 7732/54A GB 773254 A GB773254 A GB 773254A GB 777951 A GB777951 A GB 777951A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shaft
- gear
- engine
- spindle
- chain
- 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
- B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
777,951. Motor cycle driving gear; back pedalling brakes. FICHTEL & SACHS AKT.- GES. March 17, 1954 [March 17, 1953], No. 7732/54. Classes 79(2), 79(3), 79(5) and 136(2). [Also in Group XXVII] In a pedal bicycle having an engine-driven rear wheel 10 the engine crankshaft 1 is chain connected to a shaft 3 rotatably coupled to a shaft 4, and the shaft 4 is also rotatably coupled to a gear rotatably mounted on the pedal spindle 6 and connectable thereto through a clutch rendered operative by rotation of the spindle 6, whereby rotation of the pedals can start the engine, the shaft 4 being connected to the rear wheel by a chain 11. As shown, the shaft 3 is connected by alternatively clutchable gear pairs to the shaft 4. The gear is connected by a chain 5 to the shaft 4, and the clutch comprises a thread on the spindle 6 mounting a sleeve 7 so that forward rotation of the spindle by the pedals causes the sleeve 7 to move from the idling position shown to engage with the gear, thus transmitting pedal drive to the shaft 4 for either starting the engine or assisting the engine drive of the cycle. Rotation of the pedals in the opposite direction causes the sleeve 7 to be clutched to a bush 8 carrying an arm 9 operatively connected to an arm 13 of a rear wheel brake enclosed in a housing 12 to apply the brake. In a modification. Fig. 2 (not shown), the chain drive 5 is replaced by a pinion on the shaft 4 engaging with an internally toothed gear rotatably mounted on the pedal shaft.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE777951X | 1953-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB777951A true GB777951A (en) | 1957-07-03 |
Family
ID=6686872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7732/54A Expired GB777951A (en) | 1953-03-17 | 1954-03-17 | Improvements in or relating to motor assisted bicycles |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB777951A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2224772A1 (en) * | 2000-12-28 | 2005-03-01 | Honda Giken Kogyo Kabushiki Kaisha | Motorcycle with pedals |
-
1954
- 1954-03-17 GB GB7732/54A patent/GB777951A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2224772A1 (en) * | 2000-12-28 | 2005-03-01 | Honda Giken Kogyo Kabushiki Kaisha | Motorcycle with pedals |
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