Patent ID: 6619576
Filing Date: 2003-09-16
Classification: B02C

Abstract:
An outlet clearance adjustment mechanism of a jaw crusher, said jaw crusher includinga stationary jaw mounted to a frame; a movable jaw which faces said stationary jaw and swingingly moves; a toggle block placed at a back side of said movable jaw and abutting said movable jaw via a toggle plate; and a toggle block frame fixedly provided at said frame and supporting said toggle block; wherein said toggle block has a downward inclined plane with a lower portion being protruded on a surface at an opposite side to said toggle plate, and wherein said toggle block frame has a mounting surface on which the toggle block having said downward inclined plane is slidably mounted, and an inclined plane provided to oppose said downward inclined plane; said outlet clearance adjustment mechanism comprising: a detachable clearance adjustment shim provided between said downward inclined plane and said inclined plane opposing each other; and a hydraulic mechanical lock cylinder provided at a back side of the inclined plane of said toggle block frame; wherein said outlet clearance adjustment mechanism adjusts an outlet clearance between said stationary jaw and said movable jaw.