MULTIPIECE HAMMER FOR HAMMER MILLS

摘要

Hammers, including hammer blades, for hammer mills are shown which have an insert bushing press fit into a hole in each hammer blade so that the hammer blades rotate with the bushing around rods being rotated in a circle around a central rotary axis of the rotor of a hammer mill.

主权项

1. Apparatus comprising:
at least one hammer blade for a hammer mill, said at least one hammer blade having an opening disposed through one end thereof corresponding to a pivot axis, said opening being of a first diameter; a sleeve having a central opening therein, the sleeve being disposed in said opening in the one end of the at least one hammer blade; said sleeve having a cylindrical outer surface having a second diameter slightly larger than the first diameter of the opening of the hammer blade, whereby the outer surface of the sleeve is at least initially in a press fit relationship with the inside of the opening of the hammer blade; and wherein the central opening in the sleeve is of a third inner diameter of a size adapted to be rotatably disposed on a rod of a hammer mill.