Backhoe pivot joint

Excavating – Scoop or excavating and transporting container – Dipper-type

Reexamination Certificate

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Details

C037S466000, C403S154000

Reexamination Certificate

active

07043858

ABSTRACT:
A backhoe coupling for joining members of a backhoe attachment is provided, the coupling having a pivot pin assembly that includes a pivot pin and a retaining plate. The pin has a groove for receiving the retaining plate. The retaining plate has an edge that is sized to fit into the groove and prevent it from being extracted. The groove has two blocked regions on opposing sides of the pin that prevent the pin from rotating freely with respect to the retaining plate.

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