Counter thrust plate locking retaining device for e.g. electronic board, has electromagnets locking pressure plate on board to retain board firmly on pressure plate, and cylinders pushing movable plate in contact with parts of board

摘要

The device has electromagnets (3) mounted on a fixed plate (2). A pressure plate (10) is locked by the electromagnets on an electronic board (12) to maintain the board firmly on the plate (2). Cylinders (7) push a movable plate (4), on which a support equipped with test points (5) and spacers (6) is mounted, in contact with the parts of the board to be checked.