The operational component Drive the feature of the direct dynamic Drive device null automatic performance

摘要

PROBLEM TO BE SOLVED: To prevent a bearing and a movable member from being away from each other and being in recollision without strictly setting or adjusting the gap between the bearing and the movable member, and to suppress the generation of noise and rapid wear. ;SOLUTION: A connection member 35 coupled to a plunger 11 being the movable member of a solenoid unit 10 is attracted by a permanent magnet 48. In such a manner, a force is applied to the plunger 11 in the direction of the side to the plunger 11 and a constant direction, and the plunger 11 always comes into contact with a certain part of the bearings 30, 32.;COPYRIGHT: (C)1999,JPO