X-Ray film-holding device with convex cushion members

Details X-Ray film-holding device with convex cushion members X-Ray film-holding device with convex cushion members

1984-02-10

1985-08-27

Schilling, Richard L.

X-ray or gamma ray systems or devices

Photographic detector support

Sheet film cassette

378166, G03B 1100

Patent

active

045382948

ABSTRACT:
Swingable front and back plates are supported by a hinge. Cushion members are pasted individually on the inner surfaces of the front and back plates. The cushion members individually have two-dimensional curved surfaces with the same radius of curvature, and are arranged so that the directions of curvature of their curved surfaces cross substantially at right angles. Intensifying screens curved to match the surfaces of the cushion members are pasted thereon. An X-ray film is sandwiched between the intensifying screens, and the front and back plates are joined together. Thereupon, the region of each cushion member, pressing the X-ray film through its corresponding intensifying screens, extends gradually, moving its center from the hinge side to the free-end side. When the front and back plates are joined together, the X-ray film receives a maximum pressing force from the center of each cushion member. The pressing force decreases with radial distance from the center.

REFERENCES:
patent: 3504180 (1970-03-01), Tone
patent: 4032790 (1977-06-01), Nakamura
patent: 4081686 (1978-03-01), Nieuwehoer
patent: 4081686 (1978-03-01), Nieuwehoer
patent: 4350248 (1982-09-01), Bauer
patent: 4350248 (1982-09-01), Bauer

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