Illuminated door lock

Details Illuminated door lock Illuminated door lock

1995-08-11

1997-01-28

Husar, Stephen F.

Illumination

Door knob or keyhole illuminator

362 32, E05B 1710

Patent

active

055972276

ABSTRACT:
A door lock assembly to be secured within a horizontally extending through hole in a door which can have from a minimum to a maximum thickness, comprising an exterior lock assembly including a plug having a key receiving opening, an exterior rose liner, light pipe means for illuminating the key receiving opening, including a rod shaped portion secured to the exterior rose liner and extending axially inwardly for receiving light, and tubular housing means for receiving the axially extending rod shaped portion. The tubular housing means has a length corresponding to the length of the axially extending rod shaped portion, an interior lock assembly including an interior rose liner and means for transmitting light including a light source for transmitting light axially. The light transmitting means is supported by the interior rose assembly so that when the door lock assembly is secured within a door having a maximum thickness the light transmitting means will be axially spaced from the rod shaped portion by a distance at least equal to the difference between the minimum and maximum door thickness.

REFERENCES:
patent: 3719821 (1973-03-01), Foreman
patent: 5398175 (1995-03-01), Pea

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