Patent ID: 7913941
Filing Date: 2011-03-29
Classification: B02C

Abstract:
1. A method of adjusting clearance between a swing hammer and a crusher block in a particulate size reduction system comprising: a) operating a particulate size reduction system by rotating at least one swing hammer mounted on a wheel assembly about a center shaft mounted in a crushing chamber, the at least one swing hammer including a first crushing face; and b) disposing an inboard face of a crusher block proximate the at least one swing hammer; c) advancing the crusher block toward the at least one swing hammer by adjusting an adjustment mechanism operatively joined to the outboard face of the crusher block by a yoke assembly until the crusher block begins to contact the at least one rotating swing hammer, wherein the yoke assembly is joined directly to the crusher block and to the adjustment mechanism; and d) retracting the crusher block away from the at least one swing hammer using the adjustment mechanism to a predetermined distance.