| 摘要 |
A two-piece hammer for use in a shredder comprises a work engaging piece made from a hard, wear resistant material and a supporting piece made from a softer, relatively ductile material having a relatively high tensile strength. The two pieces are secured together by a removable fastener, with a resilient member being interposed between the work engaging piece and a supporting flange of the supporting piece to dampen the transmission of impact forces from the work engaging piece to the supporting piece. The supporting piece comprises an aperture which is adapted to receive a support pin of the shredder when the hammer is mounted in the shredder.
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