| 摘要 |
An improved rotary mace for striking off extraneous transient projections from, e.g., ferrous castings, the mace having a hub, at least one hammer and means for pivotably securing each of the at least one hammers to the hub, the improved means for securing the hammers including an adapter block for the hammers, each adapter block being removably fixedly attached to a peripheral face of the hub and the hammer being removably pivotably attached to the adapter block, e.g., by a clevis. Preferably, each hammer is supported upon a respective adapter block and each adapter block is provided with means for holding resilient bumper means positioned to receive the impact of the pivotable hammer at either maximal pivotable position. The novel adapter block also has secure fastening means for releasably securing the means for pivotably attaching each hammer.
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