Drum type flying shear

Details Drum type flying shear Drum type flying shear

1977-04-26

1978-09-12

Schran, Donald R.

Cutting

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

Orbital motion of cutting blade

83337, 83345, B23D 2512

Patent

active

041127986

ABSTRACT:
Both of the upper and lower blades carried by the upper and lower drums, respectively, or either of the upper or lower blade is so arranged as to partially describe a non-circular locus having the vertically extended major axis when complete shearing is effected.

REFERENCES:
patent: 1910387 (1933-05-01), Hahn
patent: 2288922 (1942-07-01), Rosenleaf et al.
patent: 2951410 (1960-09-01), Brown
patent: 3469477 (1969-09-01), Welch et al.
patent: 3847047 (1974-11-01), Jackson

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