| 摘要 |
A safety or "dead-bolt" lock includes a lockably releasable sliding bolt assembly of a first magnetic polarity. The keeper element, which is adapted to be mounted on to a jamb is of a second or opposite magnetic polarity to magnetically attract the bolt. A key lock assembly is used to release the sliding bar from movement. A cover is slidably movable over the entire lock assembly to prevent unauthorized dislodgement.
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