Refractive coaster

Details Refractive coaster Refractive coaster

1999-11-30

2000-12-26

Quach, Y.

Illumination

With liquid container

362806, F21V 3300

Patent

active

061647934

ABSTRACT:
A refractive coaster includes a bottom cover, a circular seat mounted on the bottom cover, a plurality of batteries fitted inside the seat, a printed circuit board arranged on the bottom cover and electrically connected with the batteries and provided with an annular ring-like electrode and a plurality of light-emitting members, a conducting pin having an immediate portion formed with a flange and having a lower end extending downwardly through the annular ring-like electrode, a spring fitted on an upper end of the conducting pin and urging the lower end of the conducting pin to move downwardly out the bottom cover, a bowl-shaped base made of transparent material and having an opening at a central portion thereof and a mirrored surface at an upper side thereof, the bowl shaped base being fitted in the circular seat with the light-emitting members protruding upwardly out of the opening, a circular lid made of transparent material and arranged on the base and having a bottom side formed with a mirrored surface and plurality of protuberances at a central portion of the bottom side, the circular lid being arranged on the bowl-shaped base.

REFERENCES:
patent: 4261026 (1981-04-01), Bolha
patent: 4858084 (1989-08-01), Sheryll
patent: 5010461 (1991-04-01), Saotome

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