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Workpiece transfer mechanism

  • US 4,032,018 A
  • Filed: 11/21/1975
  • Issued: 06/28/1977
  • Est. Priority Date: 11/21/1975
  • Status: Expired due to Term
First Claim
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1. In a device for transferring workpieces between successive stations of a die mounted in a stamping press, said transfer device being of the type which comprises a base, a carriage reciprocable on said base in a linear path through a stroke corresponding to the distance between the successive stations in the die and a finger bar mounted for movement with the carriage and for reciprocating movement transversely of the path of travel of the carriage between work engaging and retracted positions, that improvement which comprises means for actuating the finger bar to said work engaging and retracted positions comprising a cam adapted to be mounted on and reciprocate in a linear path with the ram of the press, said cam having a track thereon extending generally in the direction of said linear path of reciprocation of said ram and having a portion offset transversely of said last-mentioned linear path, a crank rotatably mounted on said base, a cam follower on said crank and adapted to be interengaged by said cam track and to be displaced by said offset portion thereof in response to said reciprocation of the ram to rotate said crank in opposite directions and means operably interconnecting said crank and said finger bar for shifting the finger bar between said work engaging and retracted positions in response to rotation of said crank.

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