Structure for securing a die to a bolster plate

Details Structure for securing a die to a bolster plate Structure for securing a die to a bolster plate

1987-11-05

1990-04-03

Jones, David

Metal deforming

Tool and/or tool holder

72481, B21D 3714

Patent

active

049129619

ABSTRACT:
Structure for and method of securing a die to a bolster plate. The structure comprises an L shaped clamp secured to the die at the bottom surface thereof by a bolt extending through the clamp and into the die and/or welding around the periphery of one end of the clamp and a T bolt positioned in the bolster plate releasably securing the clamp to the bolster plate. In accordance with the invention, the clamp includes a bevelled end and an offset lower surface to facilitate welding the clamp to the die and to minimize alignment tolerance requirements in securing the clamp to the die. The method includes the step of securing the clamp to the die adjacent the bottom surface of the die by either or both bolting and welding, and releasably securing the clamp to the bolster plate by means of a T bolt positioned in the bolster plate and extending through the clamp.

REFERENCES:
patent: 3229791 (1966-01-01), Soman
patent: 3638473 (1972-02-01), McElroy
patent: 4322994 (1982-04-01), Muhr et al.
patent: 4520919 (1985-06-01), Keitaro
Eary and Reed, "Techniques of Pressworking Sheet Metal", 1974 ed., pp. 323, 332, 333.

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