Patent ID: 6155507
Filing Date: 2000-12-05
Classification: B02C,Y10T

Abstract:
A jaw crusher, comprising:a frame having top and bottom spaced apart cross members;a stationary jaw, the stationary jaw having a top edge, a bottom edge, and a pair of interconnecting sides, the stationary jaw including a top lug adjacent the top edge and a bottom lug adjacent the bottom edge, the top lug being adapted for placement adjacent the frame top cross member, the bottom lug being adapted for placement adjacent the frame bottom cross member; anda threaded draw rod having a pair of ends, and further including a pair of inwardly moveable wedge members, one of the wedge members being disposed adjacent each of the draw rod ends, the draw rod being disposed such that the wedge members are positioned to engage the jaw top lug and the frame top cross member;whereby in response to inward movement of the wedge members the stationary jaw is progressively more firmly secured to the frame, thereby preventing undesired movement of the stationary jaw during operation of the crusher.