Lock having maid lockout and deadbolt protector

Details Lock having maid lockout and deadbolt protector Lock having maid lockout and deadbolt protector

E - Fixed Constructions

05

B

70/3, 292/4

E05B 47/00 (2006.01) E05B 47/06 (2006.01) E05B 35/10 (2006.01) E05B 65/00 (2006.01)

Patent

CA 2018984

LOCK HAVING MAID LOCKOUT AND DEADBOLT PROTECTOR ABSTRACT OF THE DISCLOSURE This look, which may be coded-keycard operated, has a set- table device on the inside of the door by which the maid, for instance, can be locked out. The lookout setting device is pre- ferably in the form of a pushbutton or deadbolt turnpiece which manipulates a switch in the code-receiving circuitry. The lock- out setting is automatically cancelled when the latch is re- tracted. When the setting device comprises a deadbolt turnpiece, the deadbolt is biased toward retracted position and the setting device holds the deadbolt extended. When the latch is retracted in the latter version, the retraction cancels the lockout setting and permits the deadbolt to retract under the power or the dead- bolt biasing spring. The invention also includes a non-code- operated embodiment in which a deadbolt is spring driven to retracted position as the latch is retracted in latching to protect the deadbolt, lock and door frame.

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