Patent ID: 6845933

Claim:
A retaining wedge assembly for securing an impeller bar to the rotor of a horizontal shaft impact crusher, the retaining wedge assembly comprising: a recess defined in the rotor, the recess sized to receive the impeller bar and including a first seat and a second seat, the first seat shaped to receive a first portion of the impeller bar, the second seat including an aperture; a retaining wedge, the retaining wedge having a first face adapted to engage a second portion of the impeller bar, and a second face sized to engage the second seat, the retaining wedge further adapted to receive an attachment bolt; and the attachment bolt extending through the retaining wedge, the attachment bolt arranged to drive the wedge along the second seat; whereby upon placement of the impeller bar in the recess and upon tightening the attachment bolt the wedge cooperates with the first seat and the and second seat to secure the impeller bar in the recess.