Shear

Details Shear Shear

1991-09-03

1993-05-04

Yost, Frank T.

Cutting

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

Orbital motion of cutting blade

83305, 83344, B26D 162

Patent

active

052071383

ABSTRACT:
Upper and lower drums each with a blade are separated from each other by a hydraulic cylinder until a rotating velocity of the drums are accelerated to a predetermined level. Then, the drums are relatively approached by the cylinder so that gears each fitted to a shaft of the corresponding drum are engaged with each other to keep constant a gap between the blades. The blades are approached to a feed line of a strip to cut off the strip.

REFERENCES:
patent: 1948139 (1934-02-01), Smitmans
patent: 3110209 (1963-11-01), Takehara
patent: 3570348 (1971-03-01), Hallden
patent: 4058041 (1977-11-01), Ito
patent: 4112798 (1978-09-01), Yoshizawa et al.
patent: 4656905 (1987-09-01), Ginzberg et al.
patent: 4732028 (1988-03-01), Bodnar

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