Pressing cam die

Details Pressing cam die Pressing cam die

1996-04-08

1998-01-27

Jones, David

Metal deforming

By relatively movable offset tool-faces

Embodying three or more coacting relatively movable tools

72304, 72315, 724529, 83635, B21D 504

Patent

active

057111804

ABSTRACT:
A pressing cam die includes a cam slide having a cam surface; a supporting device for supporting the cam slide onto an upper die such that the cam slide is movable in a downwardly inclined direction; a coil spring for urging the cam slide toward its initial position; and a cam driver having a cam surface which is slidably brought into surface contact with the cam surface of the cam slide. The supporting device has a base and a round guide bar which is attached to a front wall portion and a rear wall portion of the base. The coil spring is wound around the guide bar and is disposed concentrically with the guide bar.

REFERENCES:
patent: 4471680 (1984-09-01), Gerhart
patent: 5101705 (1992-04-01), Matsuoka
patent: 5269167 (1993-12-01), Gerhart
patent: 5487296 (1996-01-01), Gerhart et al.

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