| 摘要 |
A mated hammer and hammer tip combination for releasable engagement are provided. The hammer includes a lower body portion for engagement with a rotor of a size reducing machine, and an upper body portion. The upper body portion of the hammer includes at least one bolt hole and a front face having a raised center section. The hammer also includes an upper and lower ledge, and recessed side grooves. The hammer tip includes a front face with a distally located working edge for debris impact, at least one bolt hole for receipt of a bolt to releasably engage the hammer and hammer tip, and a back having a plurality of protruding opposable members, comprised of opposable shoulders or feet that define a recessed section therebetween forming a saddle-back. The saddle-back in the back of the hammer tip releasable engages with the raised center section of the hammer. The hammer tip and hammer are precision milled to ensure that the fit between the saddle-back of the hammer tip and the raised center section of the hammer is of a tolerance that is less than the tolerance between the bolts and bolt holes.
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