| 摘要 |
A lock alarm mechanism for vending machines and the like is described, including a key-operated latch member secureable to a hinged housing door or panel member and lockingly interengageable with a latch bar member resiliently supported with respect to the associated housing member and operative, only during intervals of attempted forcing of the lock such as by prying between the door or panel member and the housing member, to yieldingly move the latch bar member and thereby actuate a self-contained alarm in the housing structure protected.
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