| 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 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. In order to allow removal or replacement of a cassette with a simple manipulation, the lock mechanism has at least one arm that is spring-loaded in its longitudinal direction, and having one end provided with the first detent. 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 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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