Retaining pin assembly for earthworking tool

Details Retaining pin assembly for earthworking tool Retaining pin assembly for earthworking tool

E - Fixed Constructions

02

F

294/39

E02F 3/92 (2006.01)

Patent

CA 1173876

Retaining Pin Assembly for Earthworking Tool Abstract A retaining pin assembly for securing a replaceable earthworking tool to a support member includes a spring type pin and a coacting sleeve. The pin assembly is insertable through generally aligned openings in the tool and support member and functions to lock the tool to the support member and to force an end portion of the tool into contacting relationship with shoulders of the support member. Earth- working apparatus, such as impact rockbreakers and rippers, generally include a replaceable tool mounted on a shank or support member. Unless the tool is forceably held in contact- ing relationship with the support member, the retaining pin, tool, and support member are subject to damage. The retaining pin assembly of the present invention secures the tool and support member in contacting relationship and maintains a continuous locking force between the tool and the supporting member.

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