X-ray or gamma ray systems or devices – Photographic detector support
Patent
1982-05-17
1985-09-17
Church, Craig E.
X-ray or gamma ray systems or devices
Photographic detector support
378183, 378204, G03B 4116
Patent
active
045425230
ABSTRACT:
A radiographic apparatus for facilitating insertion of a radiographic element on a carrier into the retractable opaque envelope of a film unit for exposure purposes, and for facilitating its later removal, includes a housing having a light tight chamber for receiving the carrier and film unit arranged in superposed relation therein. When the housing is in an upright loading position and the envelope is retracted, gravitational force urges the carrier into contact with the negative sheet so that both are enclosed when the envelope is moved back to its closed position. During removal operations, the housing is inverted, allowing gravitational force to urge the carrier away from the negative sheet so that the envelope passes therebetween when returned to its closed position, leaving the carrier outside of the envelope.
REFERENCES:
patent: 3462599 (1969-08-01), Erikson
patent: 3505939 (1970-04-01), Hu
patent: 3586501 (1971-06-01), Norquist
Church Craig E.
Polaroid Corporation
Vale John S.
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