The invention discloses a locking and unlocking device of a foldable joint, which is characterized in that a gear is disposed between a foldable shaft and a foldable shaft sleeve, a hole is disposed in the foldable shaft sleeve in order to let a lock pin equipped with a spring pass through the shaft sleeve and be inserted into teeth of the gear, the lock pin comprises a round concave hole, a rotatable annular sleeve is disposed on the lock pin sleeve, an elastic convex ball corresponding to the concave hole is disposed on the annular sleeve, and a tightness-adjustable bolt is disposed on the spring. By using the locking and unlocking device of the foldable joint provided by the invention, locking and unlocking of the foldable joint can be realized.
Locking and unlocking device of foldable joint
2015-09-16
Patent
Elektronische Ressource
Englisch
IPC: | B62K Fahrräder , CYCLES |
Self-locking and unlocking device for folding joint of foldable bicycle
Europäisches Patentamt | 2015
|Foldable mechanism, frame locking and unlocking mechanism and baby carriage
Europäisches Patentamt | 2023
|Automatically Locking-Unlocking Orthotic Knee Joint
Online Contents | 1994
Automatically Locking/Unlocking Orthotic Knee Joint
NTRS | 1994
|