Patent ID: 8615860
Filing Date: 2013-12-31
Classification: B21J,Y10T

Abstract:
1. An adjustment system configured to adjust a jaw gripping force of a pulling head connected to a power tool, said adjustment system comprising: a locking nut configured to be threadedly attached to the pulling head, said locking nut defining an aperture which extends therethrough; a frame adaptor configured to be at least partially positioned within said aperture of said locking nut, said frame adaptor further being configured to receive a portion of the pulling head and a piston of the power tool within an aperture thereof, with the portion and the piston engaging one another within said aperture of said frame adaptor, the portion of the pulling head being operatively associated with a jaw of the pulling head; and an adjustment nut configured to be rigidly attached to the frame adaptor, whereby, when said locking nut is in an unlocked position, said adjustment nut can be rotated in a counterclockwise manner in order to strengthen the jaw gripping force of the pulling head by causing the portion of the pulling head to move toward the power tool, or said adjustment nut can be rotated in a clockwise manner in order to weaken the jaw gripping force of the pulling head by causing the portion of the pulling head to move away from the power tool.