Cutting – Means to drive or to guide tool – Tool displaceable to inactive position
Patent
1978-09-15
1980-03-11
Schran, Donald R.
Cutting
Means to drive or to guide tool
Tool displaceable to inactive position
83639, B26D 508
Patent
active
041922093
ABSTRACT:
A hydraulically actuated assembly for cutting and punching channels having a base section and an upper hydraulically operated section which is pivotally secured to the base section. The upper section has first and second side plate members spaced from each other to define the front and rear walls of a cutting and punching chamber. These plate members have upper recesses which receive a mounting member rigidly secured thereto to form a rigid support structure for a hydraulic cylinder and the cutting and punching operation.
REFERENCES:
patent: Re10547 (1884-12-01), Dwyer
patent: 423119 (1890-03-01), Breuer
patent: 2384130 (1945-09-01), Pell et al.
patent: 3302504 (1967-02-01), Fisher
patent: 3528332 (1970-09-01), Thumin
P-W Industries, Inc.
Schran Donald R.
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