| 摘要 |
PURPOSE: A lock assembly of a collapsible bicycle is provided to enable easy folding or unfolding because a support bar is separated from a support frame with a simple operation. CONSTITUTION: A lock assembly of a collapsible bicycle comprises fixing plates(111,112), a locking member(120), an elastic member(130), and a support bar(140). The fixing plates having connection holes are provided to face each other at a fixed interval on a side of the support frame. The locking member is arranged between the fixing plates and inserted to the connection holes to be coupled with a button part and a cover part, and formed with a blade part in the middle of the length. The elastic member, whose one side is supported on the outer side of the fixing plates while the other is supported by the button part, applies an elastic force for sliding the locking member. The support bar is connected to a folding frame on the bottom and formed with a coupling part on the top to hold or release the blade part.
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