Expandable carriage for spot-film device

Details Expandable carriage for spot-film device Expandable carriage for spot-film device

1984-11-21

1989-07-04

Church, Craig E.

X-ray or gamma ray systems or devices

Photographic detector support

For movable film or plate

378172, G03B 4202

Patent

active

048457345

ABSTRACT:
A spot-film device includes an inner carriage whose three members are movable with respect to an outer carriage to provide a cassette tray that will accommodate varying cassette sizes. After insertion of a cassette, the inner carriage automatically contracts to a clamping position and is then movable longitudinally of the table to provide selective placement of the cassette for x-ray exposure. Lateral movement for that purpose is brought about by movement of the outer carriage. A single motor is used to provide both longitudinal clamping and longitudinal transport of the cassette while another motor provides both lateral clamping and lateral transport thereof. The lateral drive mechanism also provides for automatic ejection of a cassette after exposure.

REFERENCES:
patent: 2921202 (1960-01-01), Berger et al.
patent: 3968374 (1976-07-01), Schroeder
patent: 3986034 (1976-10-01), Wittkopp et al.
patent: 4105920 (1978-08-01), Pury et al.
patent: 4250388 (1981-02-01), Jann
patent: 4489428 (1984-12-01), Schwieker

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