Elliptical acetabuliform blade for shredder

Details Elliptical acetabuliform blade for shredder Elliptical acetabuliform blade for shredder

2006-01-03

2006-01-03

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Comminuting elements

Reexamination Certificate

active

06981667

ABSTRACT:
The present invention relates to an elliptical acetabuliform blade for shredder, where a sheet metal is punched by a mold to integrally form an elliptical acetabuliform blade, where the periphery of elliptical blade is integrally formed into serration. The serrated periphery extending horizontally inwards to integrally form a planar disk for cutting paper along a longitudinal direction serves as a flank. The two ends along the major axis of the elliptical flank are each integrally formed into a hooked edge for cutting the paper along a longitudinal direction to form paper chips having double-tapering ends. These characteristics help to reduce the manufacturing cost, reduce the motor load and power consumption, to thereby enhance the market competitiveness.

REFERENCES:
patent: 5199666 (1993-04-01), Williams
patent: 5516050 (1996-05-01), Yamamoto et al.
patent: 6454196 (2002-09-01), Parke

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