Illuminated magnifying glass

Details Illuminated magnifying glass Illuminated magnifying glass

1990-05-09

1991-06-04

Lazarus, Ira S.

Illumination

With implement or hand held holder therefor

362157, 362253, 350235, F21V 3300, G02B 2702

Patent

active

050219332

ABSTRACT:
A magnifying glass device has a lens body comprised of a cylindrical portion and a convexly curved lens section both of which are rotationally symmetrical with respect to the cylindrical axis of the cylindrical portion. In the area between the circumferential surface of the cylindrical portion and the path of an edge light beam of the lens section passing through the cylindrical portion, at least one lamp is provided. An air gap is formed in the central area between facing surfaces of the cylindrical portion and the lens section. The light emitted by the lamp is substantially totally reflected by the facing surface of the cylindrical portion. Therefore, the lamp will not be seen by the user, but will provide good illumination for the surface viewed through the magnifying glass device.

REFERENCES:
patent: 1909662 (1933-05-01), Conners
patent: 2586723 (1952-02-01), Sakols
patent: 3945717 (1976-03-01), Ryder et al.
patent: 4751615 (1988-06-01), Abrams
patent: 4859032 (1989-08-01), Feinbloom

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