Exposure unit for a film changer

Details Exposure unit for a film changer Exposure unit for a film changer

1988-11-23

1991-01-15

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Photographic detector support

Serial film or film pack changer

378172, 378182, 378187, G03B 4204

Patent

active

049859099

ABSTRACT:
An exposure unit for a film changer includes a fastening arrangement for upper and lower platens which are movable relative to one another so that film is introduceable therebetween when in one position and so that the film is pressed between the platens when the platens are in another position. The fastening arrangements of at least the upper platen are resiliently formed to insure parallelism between the lower platen and the upper platen during exposure of the film when the platens press against the film.

REFERENCES:
patent: 2056279 (1936-10-01), Kulick
patent: 3652853 (1972-03-01), Williner et al.
patent: 4303327 (1981-12-01), LaBelle et al.
patent: 4383330 (1983-05-01), DeFice et al.
patent: 4613984 (1986-09-01), Fisher et al.
patent: 4763346 (1988-08-01), Niedespiel et al.
patent: 4813063 (1989-03-01), Carmichael et al.

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