Ball lock punch retainer

Details Ball lock punch retainer Ball lock punch retainer

1994-04-29

1995-05-02

Seidel, Richard K.

Cutting

Tool or tool with support

Joint or connection

8369891, 279 79, 403327, 403361, B26D 726

Patent

active

054109329

ABSTRACT:
A ball lock punch and die retainer comprises a single piece body of high strength through hardened tool steel having a relieved flat bottomed borehole for the punch. The exterior sidewall of the retainer opposite the end having the punch borehole is substantially half-cylindrical. The oblique spring hole in the retainer body includes a circumferential undercut in the wall of the spring hole. The undercut mates with an enlarged portion of the spring to prevent the spring from pushing out of the hole.

REFERENCES:
patent: 1393040 (1921-10-01), Richard et al.
patent: 1621811 (1927-03-01), Richard et al.
patent: 3119896 (1964-01-01), Vogel
patent: 3589226 (1971-05-01), Shadowen, Jr.

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