Cutting – Means to drive or to guide tool – With means to connect or disconnect tool and its drive
Patent
1979-09-05
1981-05-19
Yost, Frank T.
Cutting
Means to drive or to guide tool
With means to connect or disconnect tool and its drive
83639, 83698, B23D 1514
Patent
active
042677580
ABSTRACT:
A metalworking machine such as a punch or shear has a pair of substantially parallel and spaced-apart frame plates which are mounted fixedly relative to each other and which flank a vertically displaceable work slide formed at its upper edge with a T-shaped notch. A hydraulic ram is fixed to the plates and has a flat T-shaped piston rod receivable in the T-shaped notch of the slide for force transmission between the piston and the slide. The piston and slide can be separated from each other by relative lateral displacement perpendicular to the plane of the slide.
REFERENCES:
patent: 2552958 (1951-05-01), Graham et al.
patent: 3255655 (1966-06-01), Stockard, Jr.
patent: 3559522 (1971-02-01), Valente
patent: 3593610 (1971-07-01), Valente
patent: 3628231 (1971-12-01), Pancook
patent: 3704644 (1972-12-01), Cloup
patent: 4067252 (1978-01-01), Peddinghaus et al.
Muhr Richard
Schroder Werner
Muhr und Bender
Ross Karl F.
Yost Frank T.
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