Light-up coaster for beverage containers

Details Light-up coaster for beverage containers Light-up coaster for beverage containers

1993-05-04

1994-04-26

Lazarus, Ira S.

Illumination

With liquid container

362154, 362394, 362802, 200 85R, 2483461, F21V 3300

Patent

active

053072502

ABSTRACT:
A light-up coaster for beer bottles, and the like, has an outer housing in which is vertically-slidable an inner housing. The upper surface of the inner housing is used to support a bottle thereon, and a spring biases the inner housing upwardly. A pair of switches are controlled by the movement of the inner housing. The first switch is a normally-closed switch, and the second switch is a normally open switch. The two switches are arranged in series with a light bulb and battery power-source. When there is no bottle supported on the upper surface of the inner housing, the upper surface of the inner housing is raised by the spring to its highest level and into abutting contact with an interior, upper, annular lip of the outer housing. In this state, the first switch is closed but the second switch is open. When a full bottle of beer, or the like, is supported on the upper surface of the inner housing, the inner housing is lowered against the force of the spring, and the first switch is open and the second switch is closed. When the bottle is empty, then the inner housing is raised slightly to close the first switch again but still keeping the second switch in its closed state, whereby the light bulb is illuminated.

REFERENCES:
patent: 4336574 (1982-06-01), Goodman
patent: 4344113 (1982-08-01), Ditto et al.
patent: 4858084 (1989-08-01), Sheryll

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