Panic-proof lockset

Details Panic-proof lockset Panic-proof lockset

E - Fixed Constructions

05

B

292/20, 70/36

E05B 63/14 (2006.01) E05B 59/00 (2006.01) E05B 65/10 (2006.01)

Patent

CA 1107786

ABSTRACT A panic-proof lockset includes a deadbolt and a spring latch. An interior escutcheon supports a knob for operating the spring latch and a second knob for operating the deadbolt. A crank is coupled to the second knob and a slide member is adapted to turn the crank either selectively clockwise or counterclockwise to a position generally corresponding to the open position of the deadbolt. The slide is in tension when acting on the crank to turn the crank to a position generally corresponding to the open position of the deadbolt. A cam means is provided for moving the slide member in response to rotary motion of the knob whereby the deadbolt and the spring latch are simultaneously retracted by turning the knob. This construction enables a user to rotate one knob to simultaneously retract the deadbolt and the spring latch, thereby providing easy exit in a panic situation.

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