Dentistry – Apparatus – Having means to emit radiation or facilitate viewing of the...
Patent
1997-05-12
1998-05-12
Wilson, John J.
Dentistry
Apparatus
Having means to emit radiation or facilitate viewing of the...
250504H, A61C 300
Patent
active
057497249
ABSTRACT:
A dental light curing device comprising a casing having a handle integrally formed therewith and extending therefrom to a lower end. The casing is defined by a front cover and a rear casing body. The rear casing body defines an interior space inside which a bulb, serving as a light source, and a reflector substantially concentrically surrounding the bulb are fixed. An optical fiber is mounted to the cover to be positionable in the proximity of the bulb for receiving and guiding light generated from the bulb. A pivotal connection is provided between the front cover and the rear casing body at the lower end of the handle that is far away from the bulb to allow the front cover to be movable relative to the rear casing body between an open position for replacement of the bulb and a closed position. The great distance between the bulb and the pivotal connection allows the optical fiber that is mounted on the front cover to be movable relative to the bulb and the reflector in a approximately linear manner so as to reduce accidental contact between the front cover and the bulb or the reflector.
REFERENCES:
patent: 5147204 (1992-09-01), Patten et al.
patent: 5328368 (1994-07-01), Lansing et al.
patent: 5397892 (1995-03-01), Abdelqader
patent: 5530632 (1996-06-01), Shikano et al.
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