View expanding apparatus

Details View expanding apparatus View expanding apparatus

1977-11-07

1980-02-05

Sacher, Paul A.

16137, 350211, 350307, G02B 1700

Patent

active

041870018

ABSTRACT:
A view expanding apparatus mounted on the inside lower right hand corner of an automobile windshield for eliminating the blind spot in the rear view of a motorist. A mirror is pivotally coupled to a negative lens, which may be a Fresnel lens, and the mirror lens construction is secured to the inside of the windshield. The negative lens expands the field of view and the angle between the lens and the mirror is adjustable so that the mirror reflects the expanded field of view for observation by the driver.

REFERENCES:
patent: 2039474 (1936-05-01), Brunette
patent: 2135262 (1938-11-01), Schumacher
patent: 3809462 (1974-05-01), Baumgardner et al.

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