Hydraulic and mechanical punch holder adjustment

Details Hydraulic and mechanical punch holder adjustment Hydraulic and mechanical punch holder adjustment

1977-10-25

1979-10-09

Combs, E. M.

B21K 144

Patent

active

041700511

ABSTRACT:
Mechanism for effecting the fine adjustment of punch holders in a header or the like, which mechanism can be actuated from a readily accessible position on the machine, remote from the punch holder, and the mechanism being either entirely mechanical or partially hydraulic; supplemented by an alternative lock-up mechanism for use with punch holder studs for remote release of the holders to permit fine adjustment.

REFERENCES:
patent: 1012341 (1911-12-01), Duston
patent: 1024046 (1912-04-01), Weeks
patent: 1286468 (1918-12-01), Wilcox
patent: 2104297 (1938-01-01), Friedman
patent: 2275665 (1942-03-01), Wilcox
patent: 2296693 (1942-09-01), Wilcox
patent: 2322262 (1943-06-01), Tomalis
patent: 3260096 (1966-07-01), Sakamura
patent: 3559446 (1971-02-01), Dom et al.

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