Driving and brake gear of tricycle
The utility model discloses a driving and braking device of a tricycle, which mainly comprises wheels, tricycle shafts, bearings, brake discs and rotary ratchets, wherein the tricycle shafts and the bearings are arranged at the centers of the wheels; the brake discs and the rotary ratchets are arran...
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Format: | Patent |
Sprache: | eng |
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