Patent ID: 6986296
Filing Date: 2006-01-17
Classification: B21D,Y10T

Abstract:
1. A cam apparatus comprising: a cam driver; a cam slide adapted to move in contact with said cam driver and having a through hole; cam-slide supporting means having a cam-slide supporting base which movably supports said cam slide, has a front wall portion disposed at a forward position in a moving direction of said cam slide, and has an opening in a backward position opposing said front wall portion in the moving direction of said cam slide; and a returning mechanism for returning said cam slide to an initial position thereof, said returning mechanism including a rod which is passed through the through hole of said cam slide, a rod supporting member which supports said rod slidably in the moving direction of said cam slide and is detachably fitted to said cam slide by means of a bolt at one open end of the through hole of said cam slide located on an opening side of said cam-slide supporting base, and a coil spring disposed between said front wall portion and said rod supporting member in such a manner as to surround said rod, so as to resiliently urge said cam slide toward said opening of said cam-slide supporting base.