Class 451/187 - Blade sharpener

Subclass of Class 451 - Abrading
Definition: Abrading machine especially adapted to sharpen the edge
No. of patents: 3
Last issue date: 10/26/2004

Number	Title	Issue Date
6808441	Dental tool sharpener and method of use A dental tool sharpener is disclosed having a base. A grinding surface is rotatably attached to the base about a fixed axis, the axis of rotation being perpendicular to the base. a positioner is attached to the base and aligns a top face of a blade of a dental tool ...	10/26/2004
5048236	Saw blade tooth grinder for saws A device for grinding saw blades, both hand saws and circular saws so that a predetermined tooth profile is obtained, utilizes a grinding head that moves in one plane and moves the saw in a second plane. The device comprises a saw blade mount, an indexing...	09/17/1991
4393627	Reversing screw/high-low speed level wind screw Sharpening mechanism for moving at a variable speed along the length of the sharp edge of a reciprocating knife used in cloth cutting machines is disclosed. The apparatus includes a driven grinding apparatus (26) such as is known in the art for contacting...	07/19/1983

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