Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David V. Martinez0
Date of Patent
November 20, 2007
0Patent Application Number
112252420
Date Filed
September 13, 2005
0Patent Primary Examiner
Patent 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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