Shredder hammer

In a refuse shredder having a rotor assembly with a vertical drive shaft, a series of spacers, extended plates on the spacers, and vertical hammer shafts, and having a housing with top entry for refuse to be pulverized, and bottom ejection of shredded refuse, a plurality of hammers each comprising:

• an elongated hammer body having an inner body section and an outer body section;
• the inner body section being generally u-shaped, and having first and second arm portions connected by a bight portion, and defining an interior mounting slot;
• the bight portion having a rounded interior end edge wall;
• the outer body section having a curvilinear exterior end edge wall, and having a leading impact wall and a trailing wall;
• the outer body section having a recess formed therein in open communication with the slot of the inner body section;
• the leading impact wall being spaced from the first arm portion of the inner body whereby an entry slot for the interior slot of the inner body and the recess is provided;
• and
• the entry slot being of a dimension sufficient to allow the passage of the vertical hammer shaft for engagement of the shaft in the interior slot to pivotally support the hammer on the shaft.