ELECTROMAGNETIC SHOCK ABSORBER

摘要

PROBLEM TO BE SOLVED: To prevent damage of a motor of an electromagnetic shock absorber by self-generated heat. SOLUTION: This electromagnetic shock absorber comprises a bottomed cylindrical outer cylinder 2 in which a motor 1 is internally provided, a bottomed cylindrical inner cylinder 5 inserted into inside of the outer cylinder 2 and holding a screw nut 4, and a screw shaft 3 connected to a shaft 1a of the motor 1 and rotatably screwed into inside of the screw nut 4. A passage communicating spaces created inside the inner cylinder 5 and the outer cylinder 2 with the outside is provided. COPYRIGHT: (C)2005,JPO&NCIPI