Shearing apparatus

Details Shearing apparatus Shearing apparatus

1985-04-02

1987-04-14

Meister, James M.

Cutting

Cutting motion of tool has component in direction of moving...

Orbital motion of cutting blade

83341, 83305, 83543, 83574, 83694, B26D 162

Patent

active

046569057

ABSTRACT:
A shearing apparatus for performing several modes of operation on travelling or stationary material. Two cooperative knife drums, which can be rendered rotatable or non-rotatable, form a gap whose spacing is varied by hydraulic piston cylinder assemblies, one mounted on opposed ends of the upper or bottom drum. The adjustable knife drum is held in a parallel or non-parallel positioning or caused to rock with or without additional high frequency oscillations by controlling and regulating the pressure in the cylinders, while simultaneously moving the upper drum towards the lower drum and/or rotating both drums.

REFERENCES:
patent: 1910387 (1933-05-01), Hahn
patent: 2568333 (1951-09-01), Henschker et al.
patent: 4058041 (1977-11-01), Ho
patent: 4112798 (1978-09-01), Yoshizawa et al.
patent: 4179958 (1979-12-01), Nomura et al.
patent: 4444076 (1984-04-01), Terai et al.

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