DOOR LOCK WITH AUTOMATIC LOCKING OF DEADBOLT
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United States of America Patent
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N/A
Issued Date -
Jun 18, 2009
app pub date -
Dec 13, 2007
filing date -
Dec 13, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A door lock includes a case mounted in a door and an inside handle mounted to an inner side of the door. A latch bolt is operably connected to the inside handle and movable between an extended, latching position and a retracted, unlatching position. A spring device is mounted to a deadbolt for biasing the deadbolt from a retracted, unlocking position toward an extended, locking position. A positioning member engages with and retains the deadbolt when the deadbolt is in the retracted position. An auxiliary bolt is operably connected to the positioning member and movable between an extended position and a retracted position. The auxiliary bolt disengages the positioning member from the deadbolt when the auxiliary bolt is in the retracted position such that the deadbolt is moved to the extended position by the spring device.
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