D
Daniel N. Nigro
Publications - 6
Citations - 32
Daniel N. Nigro is an academic researcher. The author has contributed to research in topics: Record locking & Reed switch. The author has an hindex of 4, co-authored 6 publications receiving 32 citations.
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Patent
Exit alarm lock assembly with push pad pivotally interconnected to deadbolt
TL;DR: In this article, an improved exit alarm lock including a push pad moveable between an extended position and a depressed position, a pivotable first bell crank, a first end of the first Bell crank being connected to a first-end of the push pad, and a pivoting support connecting to a second-ended push pad was presented.
Patent
Switching assembly for an exit alarm lock
TL;DR: A switching assembly for use with an exit alarm lock is described in this paper, which uses two reed switches which must both be closed for the alarm horn to sound, and an alarm switch is operated by a magnet in the deadbolt.
Patent
Exit alarm lock deadbolt having guide supports
TL;DR: In this article, a sliding deadbolt for use with an exit alarm lock having deadbolt guide supports which are closer to the centerline of the deadbolt than the point at which the alarm drivers contact the lock to move the lock between a retracted position and an extended position is presented.