Patent ID: 6374521
Filing Date: 2002-04-23
Classification: E02F,Y10T

Abstract:
An attachment system for sacrificial machine parts that are subjected to shock loading, comprising:a machine having a replaceable sacrificial machine part; an insert having an internal bore extending at least partially therethrough; a slot in the internal bore of said insert; a retaining pin mating with said insert suitable for attaching said replaceable machine part to said machine; at least one spring-loaded ball bearing situated inside said retaining pin and adapted to engage said slot in said bore of said insert when said retaining pin is inserted into said insert; a non-rotation device adapted to prevent rotation of said retaining pin relative to said insert; and wherein said non-rotation device further comprises a transversely-extending ridge situated at a base of said insert, and a mating, transversely-extending slot situated at the base of said retaining pin.