Patent ID: 9248491
Filing Date: 2016-02-02
CPC Classification: B21D,B23P

Claim Text:
1. In a metal forming die having first and second die members mounted a spaced apart distance for reciprocation between converged and diverged positions, the improvement of a guided keeper assembly, comprising: a base having: a two-piece, interlocking mounting flange, including: a guide pin having: first and second mounting screws having enlarged head portions with exterior end faces, and threaded shank portions extending through said first and second through holes in said first and second flange members and being detachably anchored in said first die member; and a retainer ring detachably received and securely retained in said retainer ring groove in said base, and having an interior face disposed over at least a portion of said exterior end faces of said enlarged head portions of said first and second mounting screws, whereby engagement between said exterior end faces of said head portions of said first and second mounting screws and said interior face of said retainer ring positively prevents said first and second mounting screws from unintentionally unfastening from said first die member.