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WEDGE-TYPE MECHANISM OF A CHUCK

Annular link 2 slides along fixed link 3 and has cylindrical hole a bored at an angle to the axis of the link. Link 2 is connected by a sliding pair to link 1, designed as a wedge-shaped piece of a hollow cylinder. Link 1 is connected by a sliding pair to tapered sleeve 4 whose inclined end contacts an end face of link 1. Tapered sleeve 4 fits over split tapered collet 5. When link 2 is shifted to…