Importance

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Abstract

A trayless film cassette transport apparatus is disclosed which includes an improved cassette gripping system which allows an x-ray film cassette to be loaded through a window; then gripped and withdrawn inwardly to a properly centered exposure position; then ejected to project partially from the window by a distance switch is automatically determined in accordance with the size of the cassette. This ensures that small cassettes project far enough from the window to be readily grasped by an operator while avoiding ejecting large cassettes so far that they are precariously balanced in the window. The novel gripper holds the cassette securely under a self-locking condition, such that the gripping force on the cassette increases in response to and at a greater rate than an improperly imposed cassette withdrawing force.

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First Claim