Patent ID: 7014380

Claim:
A composite holding tool comprising: a front barrel; a rear barrel rotatably connected to the front barrel; a plurality of holding bodies housed in the front barrel movably in an axial direction; a cam cylinder that rotates integrally with the rear barrel, and can selectively hold any of the plurality of holding bodies, with a tip of the holding body protruding from a tip of the front barrel, by a relative rotation between the front barrel and the rear barrel; and a cartridge connected to one of said rear barrel and said cam cylinder and placed in said rear barrel, a part of said cartridge projecting from a rear end of the rear barrel, wherein a cam slider that slides along a cam surface of said cam cylinder is connected to each of said holding bodies, said cam slider makes sliding contact with an adjacent cam slider, and the cam slider slides along the cam surface and the adjacent cam slider and is movable in the axial direction, wherein a ridge extending in the axial direction is formed on a surface of each cam slider in contact with the adjacent cam slider, and a groove extending in the axial direction and into which said ridge fits is formed in a portion of the adjacent cam slider corresponding to the ridge.