The invention discloses a self-locking and unlocking device for a folding joint of a foldable bicycle. The device is characterized in that a ratchet wheel is arranged between a folding shaft and a folding shaft sleeve; locking teeth fixed through a fixing spring passes through the shaft sleeve to be inserted into the ratchet wheel; a pin groove is formed in a long rod part of each locking teeth; a pin contacting positioning sheet controlled by an operating end is in match with the pin groove; the folding shaft is arranged at a chassis; the folding shaft sleeve is connected with a rear bracket. The device is applicable to locking and unlocking of the folding joint.
Self-locking and unlocking device for folding joint of foldable bicycle
2015-09-09
Patent
Elektronische Ressource
Englisch
IPC: | B62K Fahrräder , CYCLES |
Locking and unlocking method and locking and unlocking equipment for bicycle
Europäisches Patentamt | 2020
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