Cutlery – Cutting tools – Plural cooperating blades
Patent
1992-03-23
1993-08-31
Watts, Douglas D.
Cutlery
Cutting tools
Plural cooperating blades
30263, 30276, B26B 1500
Patent
active
052397556
ABSTRACT:
The invention is directed to a cutter apparatus having a stationary blade and a rotating blade. The rotating blade is driven in rotation by a drive motor. The rotating motion causes the knife and blade to slide relative and over each other in a manner of scissors. The blade and knife each include a plurality of cutting edges with the cutting edges of the knife and blade being so arranged that they run toward each other at an angle opening outwardly. The cutting edges of the stationary blade are formed on radially extending fingers arranged in a star-shaped configuration which facilitates the manipulation of the cutter apparatus and improves the cutting quality thereof. The cutting apparatus is suitable for all kinds of vegetation including leaves and grass blades.
REFERENCES:
patent: 2318675 (1943-05-01), Congdon
patent: 2630665 (1953-03-01), Lauer
patent: 4483070 (1984-11-01), Junkermann
patent: 4881363 (1989-11-01), Terai et al.
patent: 4916813 (1990-04-01), Elia
patent: 5027591 (1991-07-01), Nakamura et al.
Andreas Stihl
Heyrana Paul M.
Ottesen Walter
Watts Douglas D.
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