Bicycle driving device
The invention relates to a bicycle driving device which mainly comprises a frame (3), a transmission case (18), a driving rear wheel (15), an overrunning clutch (38) and four sets of driving devices mounted on the frame (3), and is characterized by further comprising connecting rod driving members a...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention relates to a bicycle driving device which mainly comprises a frame (3), a transmission case (18), a driving rear wheel (15), an overrunning clutch (38) and four sets of driving devices mounted on the frame (3), and is characterized by further comprising connecting rod driving members additionally provided with driving connecting rods (7); a pedal plate driving member mainly comprises a driving wheel (6) and driving wheel driving members (20); a set of driving device is mounted on each of the two sides of the frame (3) between each of pedal plates (1) and the transmission case (18); when a user stands on the two pedal plates of the bicycle for treading, four sets of driving devices which are arranged on two sides of each pedal plate can be driven to actuate, so that the defect, in a patent with the patent number of 201420590209.3, that the overrunning clutch is unevenly stressed, easy to break and is very unlikely durable is overcome, because, in the patent, a single driving connecting rod is adopted and mounted on one side, so that the driving connecting rod is stressed on one single side during pulling. According to the bicycle driving device, the overrunning clutch is uniformly stressed, not likely to break and is very durable, and the treading is very easy and stable. |
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