| 摘要 |
A subject table for a mammography apparatus has a slot for an X-ray film cassette extending therethrough, as well as a locking mechanism for the cassette arranged in the slot. The locking mechanism has a spring-loaded arm carrying a first detent, and a second detent, at least one of the detents being spring-loaded such that the detents lie tightly against the narrow sides of the cassette when a cassette is introduced into the slot. For simplified removal or replacement of a cassette, the arm is displaceable in its longitudinal direction, and the second detent is displaceable perpendicularly to the longitudinal direction of the arm. When the second detent is removed from the cassette by an operating manipulation, the spring loading of the first detent causes the cassette to be ejected from the slot to a sufficient extent to allow it to be grasped by the operator.
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