A hub with disengaging effect of ratchet faces in an idle mode includes: a gear barrel with first and second housing parts is located at the spacing from the driven end of the hub; a ratchet disc fixed in the driven end has a first annular ratchet face corresponding to the gear barrel; a double-sided free toothed disc disposed in the first housing part is in synchronous rotation with the gear barrel, and includes a second annular ratchet face, which is in a single steering engagement drive relationship with the first annular ratchet face; an elastic expansion member is disposed between the ratchet and double-sided free toothed discs, to push off annular ratchet faces in idle mode; a repulsion disc is mounted in the second housing part at the circumferential direction; an axial repulsion member has repulsion parts which are respectively disposed in the double-sided free toothed and repulsion discs.
Hub with disengaging effect of ratchet faces in an idle mode
2021-01-19
Patent
Electronic Resource
English
HUB WITH DISENGAGING EFFECT OF RATCHET FACES IN AN IDLE MODE
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