Remotely operated door lock light

Details Remotely operated door lock light Remotely operated door lock light

1995-08-11

1997-03-18

Pascal, Robert

Illumination

Door knob or keyhole illuminator

362 32, 340555, 25022714, E05B 1710

Patent

active

056116136

ABSTRACT:
A key operated door lock assembly comprising an operator assembly rotatable from a door open to a door closed position, including an operator, a plug in the operator having a key receiving opening, a support assembly for the operator assembly secured to the door including a light source operable for a predetermined period of time, and a first light pipe having a first end for receiving light from the light source and a second light transmitting end. Means for remotely operating said light source for a period of time selected so that a person can insert a key into the key receiving opening and rotate the operator assembly from the door closed position to the door open position. The operator assembly further includes a second light pipe having an exposed light transmitting portion and a light receiving portion, and means for supporting the second light pipe so that the light transmitting portion of the second light pipe is adjacent the key receiving opening. The second light pipe light receiving portion will be proximate the first light pipe light transmitting end when the operator is at the door closed position so that light from the light source will illuminate the key receiving end, and the second light pipe light receiving portion will be remote from the light transmitted from the first light pipe transmitting end when the operator is at the door open position.

REFERENCES:
patent: 3955075 (1976-05-01), Susedik et al.
patent: 5535104 (1996-07-01), Maffey et al.

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