Hammer for material reducing machines
AssigneeEsco Group LLC
InventorsMichael B. Roska, Ty D. Porter, Severn D. Durand
Life of this patent
Estimating the term…
Abstract
A multi-piece hammer for use in a reducing machine. The multi-piece hammer includes a base to be mounted to the reducing machine, a replaceable tip to be mounted to the base and to impact the material to be reduced, and a retainer to secure the replaceable tip to the base. The replaceable tip has a cavity with a single rail or groove that corresponds to a single groove or rail on the base.
Claims16
A replaceable tip for a multi-piece hammer for a material reduction machine, the replaceable tip being mountable to a base on a driven roll, the replaceable tip comprising
- a leading surface facing forward to impact material to be reduced,
- a bottom surface facing outward and extending rearward from the leading surface, and
- a cavity opening to receive the base, the cavity including a front surface facing rearward opposite the leading surface and opposing side surfaces extending rearward from the front surface, at least one of the side surfaces including a rail or groove for receipt with a corresponding rail or groove on the base, wherein the rail or groove is inclined to extend rearward and outward away from the front surface.
A hammer for a reduction machine, the hammer comprising:
- a base including a first end for mounting the base to a driven roll of the reduction machine, a second end opposite the first end, a groove or rail on the second end, and an opening;
- a replaceable tip including a leading surface facing forward to impact material to be reduced, a bottom surface facing outward and extending rearward from the leading surface, a cavity opening to receive the base, and an opening that aligns with the opening on the base when the replaceable tip is mounted on the base, the cavity including a front surface facing rearward opposite the leading surface and opposing side surfaces extending rearward from the front surface, at least one of the side surfaces including a rail or groove for receipt with a corresponding rail or groove on the base, wherein the rail or groove is inclined to extend rearward and outward away from the front surface;
- and
- a retainer inserted into the opening in the base and the opening in the replaceable tip to secure the replaceable tip to the base.
Dependencies are inferred from the claim text.