Centering Clamp

Abstract

A centering clamp which is particularly useful for clamping work pieces in jigs is disclosed. The clamp comprises: a threaded shaft having a left hand thread on one end portion and a right hand thread on the opposite other end portion, and having a rotation means on one end portion thereof; an alignment pin; a center arm having a mounting end, a central portion having two lateral holes therethrough, one adapted to accommodate a central portion of the threaded shaft, and the other adapted to accommodate the alignment pin; a left jaw arm having a jaw end portion, a central portion having two lateral holes therethrough, one threaded to accommodate the left hand thread on the threaded shaft, and the other sized to accommodate the alignment pin; a right jaw arm having a mating jaw end portion, a central portion having two lateral holes therethrough, one threaded to accommodate the right hand thread on the threaded shaft, and the other sized to accommodate the alignment pin; and, holding means positioned on opposite sides of the center member on the threaded shaft to ensure equal extension of left and right hand threads from opposite side portions of the center arm; so that when the threaded shaft is rotated the jaw end portions move maintaining equal distances from the center arm.

Dependencies are inferred from the claim text.