DELAYED EGRESS PADDLE ALARM DOOR LOCK
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United States of America Patent
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N/A
Issued Date -
Jul 5, 2012
app pub date -
Jan 3, 2012
filing date -
Dec 31, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A delayed egress paddle door lock system operable with a door that is pivotally mounted in a door frame, including
- a. a main lock module with a lock bolt,b. a push paddle for driving the lock bolt from its locked position to its unlocked position, andc. a delayed egress lock module mountable on the door and including, a locking element having a restraining position where it engages a restraining element on the frame and restrains the door from being opened, and a control member including a timer, adapted to sense when the push paddle has been pushed, move the locking element to its restraining position, activate the timer for a predetermined time delay period while the locking element is in its restraining position, and afterward to move the locking element to its release position, whereby the door becomes openable from the push paddle.
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