X-ray apparatus comprising a film cassette which is displaceable

Details X-ray apparatus comprising a film cassette which is displaceable X-ray apparatus comprising a film cassette which is displaceable

1989-02-22

1990-10-02

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Photographic detector support

For movable film or plate

378172, 378173, G03B 4202

Patent

active

049612131

ABSTRACT:
An X-ray apparatus includes a film cassette which is displaceable in a carriage in the loading direction, a device for fixing the cassette position perpendicularly to the loading direction, two pairs of guide rollers which are offset with respect to one another in the loading direction and which are mounted on the carriage and on the apparatus, respectively, and independently controlled motor drives which act on the film cassette by way of a traction means guided via the rollers, the traction means sections between the rollers on the carriage and the rollers on the apparatus extending parallel to one another. The carriage for the film cassette can be transported by two similar motor drives in that the traction means forms a closed loop and is guided from one roller of a roller pair mounted on the apparatus to the other roller via, each time, one of the roller pairs on the cassette, in that the loop is coupled to the device for fixing the cassette position, and in that the two simultaneously activatable motor drives on traction means sections, or transport rollers on the apparatus, wherebetween there is situated at least one roller which is not connected to the apparatus.

REFERENCES:
patent: 3829698 (1974-08-01), Goetz
patent: 3848134 (1974-11-01), Gieschen et al.
patent: 4199687 (1980-04-01), Brendl et al.
patent: 4489428 (1984-12-01), Schwieker
patent: 4539696 (1985-09-01), Walling et al.
patent: 4845734 (1989-07-01), Maki et al.

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