Importance

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Abstract

An improved nonrecoil or deadblow hammer and related production method are provided, wherein the hammer has a tool head of hardened steel or the like formed with a hollow socket containing a filler material adapted to shift in the direction of an impact blow struck by the hammer to absorb or dissipate shock forces and thereby substantially reduce or eliminate tool head rebound. The tool head comprises a central body having, for example, a conventional impact member and a nail removal claw formed at opposite ends thereof. The hollow socket is formed in the central body and is upwardly open for seated reception of a hollow canister containing the filler material, such as a flowable and relatively high mass filler material in the form of small steel pellets. In a preferred configuration, the canister is preassembled with a tool handle which extends downwardly from the tool head through a handle port formed at the base or lower end of the socket. In an alternative preferred form, the filler material is a solid slug of selected high mass mounted within the canister and having a size to shift in the direction of an impact blow to absorb or dissipate shock forces. The solid slug movably shifts along a guide rail within the canister, wherein the guide rail prevents the shifting slug from applying a load due to centrifugal force to the top of the canister during swinging of the hammer to strike a blow.

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First Claim