Shearing device

Details Shearing device Shearing device

1997-03-05

1999-05-11

Watts, Douglas D.

Cutlery

Cutting tools

Plural cooperating blades

30500, B26B15/00

Patent

active

059014474

ABSTRACT:
A shearing device for cutting boards of particulate material, or similar, having a body adapted for fastening to a drill, and first and second cutting blades fixed to the body, each cutting blade having a curved cutting edge extending to a forward tip of its respective cutting blade. A third cutting blade is pivotably mounted to reciprocate in a plane between the first and second cutting blades the third cutting blade having curved cutting edges extending to a forward tip of the third cutting blade so as to cooperate with the first and second cutting blades to perform the cutting operation. The third cutting blade is spaced from the first and second blades by spaces to provide a clearance of 1 to 3 mm.

REFERENCES:
patent: 2760265 (1956-08-01), Draenert
patent: 3025599 (1962-03-01), Sauers et al.
patent: 4109381 (1978-08-01), Pellenc
patent: 4173069 (1979-11-01), Sidenstick et al.
patent: 4903408 (1990-02-01), Tagawa et al.

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