Rotary cutter
First Claim
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1. A ROTARY CUTTER COMPRISING:
- A CIRCULAR DISC HAVING A CUTTING EDGE LOCATED ALONG THE OUTER PERIPHERY THEREOF AND PROVIDED WITH AN AXIALLY EXTENDING CENTRAL APERTURE;
A REINFORCING AND SUPPORT HUB FORMED OF A PLASTIC BASE MATERIAL HAVING DRY LUBRICANT CHARACTERISTICS INCLUDING A SUBSTANTIALLY TUBULAR PORTION DISPOSED COAXIALLY WITH SAID APERTURE AND HAVING A RADIALLY EXTENDING FLANGE OF UNIFORM THICKNESS AND WITH A FLAT FRONT FACE AT EACH AXIAL END OF SAID CYLINDRICAL PORTION AND BEING INTEGRALLY UNITED THEREWITH FOR CLAMPING SAID DISC BETWEEN SAID FLANGES AND TO PROVIDE A DRY LUBRICANT BEARING SURFACE ON EACH SIDE OF SAID DISC.
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1 Claim
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1. A ROTARY CUTTER COMPRISING:
- A CIRCULAR DISC HAVING A CUTTING EDGE LOCATED ALONG THE OUTER PERIPHERY THEREOF AND PROVIDED WITH AN AXIALLY EXTENDING CENTRAL APERTURE;
A REINFORCING AND SUPPORT HUB FORMED OF A PLASTIC BASE MATERIAL HAVING DRY LUBRICANT CHARACTERISTICS INCLUDING A SUBSTANTIALLY TUBULAR PORTION DISPOSED COAXIALLY WITH SAID APERTURE AND HAVING A RADIALLY EXTENDING FLANGE OF UNIFORM THICKNESS AND WITH A FLAT FRONT FACE AT EACH AXIAL END OF SAID CYLINDRICAL PORTION AND BEING INTEGRALLY UNITED THEREWITH FOR CLAMPING SAID DISC BETWEEN SAID FLANGES AND TO PROVIDE A DRY LUBRICANT BEARING SURFACE ON EACH SIDE OF SAID DISC.
- A CIRCULAR DISC HAVING A CUTTING EDGE LOCATED ALONG THE OUTER PERIPHERY THEREOF AND PROVIDED WITH AN AXIALLY EXTENDING CENTRAL APERTURE;
Specification