Photocopying – Contact printing
Patent
1982-10-22
1984-05-15
Hix, L. T.
Photocopying
Contact printing
355 89, G03B 2702
Patent
active
044485220
ABSTRACT:
A chase for photographically producing images on both sides of shadow mask material includes a fixed suspension member and a moveable suspension member which is vertically and horizontally moveable relative to the fixed suspension member in the plane of the moveable suspension member. Support members are suspended from the suspension members through solid flexible hinges. Frames are indivdually supported by the support members and include openings for receiving photographic plates. Pivoting means are coupled to the frames whereby the frames are held in a substantially parallel relationship during exposure of the shadow mask material and are separable by flexure of the hinges during changing of the mask material. The images on the plates are alignable by selectively moving the moveable suspension member vertically or horizontally.
REFERENCES:
patent: 2720146 (1955-10-01), Mears
RCA Technical Note #1297, published on Mar. 17, 1982 by James Kleppinger.
Brown Brian W.
Hallacher Lester L.
Hix L. T,.
Irlbeck Dennis H.
RCA Corporation
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