| 摘要 |
A removable apparatus for carrying a circuit board includes a carrying plate having a notch to receive a stationary pin of an enclosure and a faceplate connected to one end of the carrying plate. A rotating cam connects to the carrying plate and acts on the pin to move the apparatus relative to the pin during insertion into and removal from the enclosure. The cam includes two different surfaces, each of which acts to move the apparatus either into or out of the enclosure. A linkage is connected to the cam and extends through the faceplate, connecting to a lever on the exterior of the faceplate. The lever is used to rotate the cam, which in conjunction with the pin provides translational motion either to mate a connector on the circuit board with a corresponding connector in the enclosure or to separate the mated connectors, depending on the direction of rotation.
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