Cutting – Means to drive or to guide tool – With simple oscillating motion only
Patent
1984-05-01
1989-07-11
Rosenbaum, Mark
Cutting
Means to drive or to guide tool
With simple oscillating motion only
83693, 83917, B26D 120
Patent
active
048460370
ABSTRACT:
The present invention is directed to a shearing machine which is provided with two pairs of upper and lower blades in a manner such that the upper and lower blades of one pair are connected to the upper and lower blades, respectively, of the other pair at right angles to shear right-angled blanks out of sheet-like workpieces. The two upper blades are connected with each other at a right angle on a ram member in a manner such that their shearing edges are originally inclined downward from their intersecting point to their respective free ends. The ram member carrying the upper blades is connected to the machine frame by means of a pivot means which is horizontally disposed higher than the top level of the lower blades. Also, one of the two pairs of upper and lower blades are located outside of the vertical plane of the outer side of the machine frame together with related parts.
REFERENCES:
patent: 1416800 (1922-05-01), Detjen
patent: 1447247 (1923-03-01), Hilsdorf
patent: 2654428 (1953-10-01), Martincic
patent: 2964984 (1960-12-01), Schott
patent: 3205748 (1965-09-01), Smeets
patent: 3215017 (1965-11-01), Rutz
patent: 3568557 (1971-03-01), Hanni
patent: 3616719 (1971-11-01), Tassie
patent: 3691887 (1972-09-01), Roch
patent: 3971281 (1976-07-01), Bredow et al.
"Blanking-Center CNC Right-Angle Shear", Strippit Houdaille (brochure).
"Right Angle Blanking Shears", Herr-Voss (brochure).
Minato Yoshiharu
Tobita Chuo
Amada Company Limited
Rosenbaum Mark
Ross Taylor J.
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