| 摘要 |
A lock used for folding walls, doors and boards in which a bolt of the lock, moved in translation by a system, is joined at one end to the board and at the other end to the bolt. For keeping the bolt in its fully unlocked or fully locked position, the bolt has a leaf spring acting on the part of the system joined with the bolt so that the bolt and this toggle part are kept in an in-line position in the unlocked or locked condition of the bolt.
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