Daylight X-ray cassette having variable size leaf springs

Details Daylight X-ray cassette having variable size leaf springs Daylight X-ray cassette having variable size leaf springs

1985-08-21

1987-08-18

Schmidt, Frederick R.

X-ray or gamma ray systems or devices

Photographic detector support

Sheet film cassette

G03B 1726

Patent

active

046882430

ABSTRACT:
X-ray cassette having a casing, a fixed plate and a moveable plate within the casing, a film receivable between the plates, bias means including a cam riding surface for biasing the moveable plate toward the fixed plate by means of an actuating cam assembly, the biasing means including a pressure applying strap comprising a plurality of leaf spring elements, having variable cross-section and length, i.e., larger and longer as the leaf spring elements extend toward the center of the cassette. A buckler element may be present in the cassette to buckle the film from the plate.

REFERENCES:
patent: 3153145 (1964-10-01), Yerkovich
patent: 3784835 (1974-01-01), Schmidt
patent: 3870889 (1975-03-01), Schmidt
patent: 3930165 (1975-12-01), Robinson et al.
patent: 4032790 (1977-06-01), Nakamura
patent: 4181418 (1980-01-01), Fechtner et al.
patent: 4186308 (1980-01-01), Erikson
patent: 4198009 (1980-04-01), Turner
patent: 4383330 (1983-05-01), De Felice et al.
patent: 4418420 (1983-11-01), Bauer et al.
patent: 4444484 (1984-04-01), Best et al.

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