Work-magnifying face shield

Details Work-magnifying face shield Work-magnifying face shield

1994-10-17

1996-08-20

Epps, Georgia Y.

Optical: systems and elements

Lens

With viewed object or viewed field illumination

359819, 359810, G02B 2702, G02B 702

Patent

active

055484484

ABSTRACT:
A work-magnifying, face shielding helmet assembly consists of a helmet component and a lens component. The latter comprises a frame removably mounted in the helmet recess, opposite the helmet window. A work-magnifying lens is mounted on the frame. A pair of rails grip the lens marginally and releasably. One rail is springable outwardly to permit the lens to gravitate to any desired operating position.

REFERENCES:
patent: 1990369 (1935-02-01), Boyd
patent: 2194192 (1940-03-01), Auer
patent: 3572931 (1971-03-01), Adler
patent: 3747599 (1973-07-01), Malmin
patent: 3768099 (1973-10-01), Manz
patent: 3825952 (1974-07-01), Pershing
patent: 3865468 (1975-02-01), Holcomb
patent: 4354279 (1982-10-01), Walters, Jr.
patent: 4774723 (1988-10-01), Ruck
patent: 5337419 (1994-08-01), Russell

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