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US 4,383,330 AGranted
X-Ray cassette having quick film release mechanism
AssigneeE. I. Du Pont de Nemours and Company
InventorsCharles P. DeFelice, Donald F. LeRoux
Life of this patent
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Abstract
An x-ray cassette of the type having a film buckler member is characterized in that the film engaging edge of the buckler member extends substantially perpendicular to the plane of the film. The film engaging surface of the buckler is further provided with upper and lower film catches and a biasing member to retract the buckler member away from the path of the film.
Claims12
In an x-ray cassette of the type having
- a fixed and movable plate;
- a film sheet receivable between the plates;
- means for biasing the movable plate toward the fixed plate;
- bias release means adapted to release the biasing force from the movable plate;
- a buckler member having an arm, the buckler member also having a film engaging edge and a cam riding surface;
- an actuating cam assembly operatively associated with the bias release means to engage the cam riding surface to thereby displace the buckler member from a retracted position to a film engaging position to bring the film engaging edge of the buckler into edgewise contact with the film to buckle the same from the plate, characterized in that
- the film engaging edge of the buckler member extends substantially perpendicular to the plane of the film, the arm is disposed intermediate of the film engaging surface and the cam riding surface, the arm is fabricated of a flexible springy material adapted to bias the buckler head to return it to its retracted position.
4 more elements
Dependencies are inferred from the claim text.