Reading instrument

Details Reading instrument Reading instrument

1977-04-12

1979-02-06

Yasich, Daniel M.

Signals and indicators

Indicators

Operator movable

40352, 40600, 116240, 281DIG1, 350245, B41J 1164, B42D 900, G02B 2702

Patent

active

041378636

ABSTRACT:
A reading instrument for magnifying certain chosen printed material on a page or sheet of paper and for visually isolating the chosen material from other, adjacent printed material, the instrument including an opaque plate that is provided with a slot, an elongated magnifying lens attached to the plate in alignment with the slot, a permanent magnet spaced from the lens and attached to the plate and a flat lamina of a ferrous material that is positioned under the printed page so as to inhibit the plate from sliding along or falling off of the page due to its magnetic attraction to the lamina.

REFERENCES:
patent: 2604009 (1952-07-01), Walrath
patent: 2763241 (1956-09-01), Waggoner
patent: 3089464 (1963-05-01), Mendels
patent: 3126862 (1964-03-01), Hanley
patent: 3129695 (1964-04-01), Adelman
patent: 3269752 (1966-08-01), Lindaman
patent: 3408977 (1968-11-01), Colman, Jr.
patent: 3704938 (1972-12-01), Fanselow
patent: 3712712 (1973-01-01), Bosma
patent: 3739739 (1973-06-01), Brase

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