Rotary cutter

• US 3,306,149 A
• Filed: 01/12/1965
• Issued: 02/28/1967
• Est. Priority Date: 02/12/1964
• Status: Expired due to Term

• Current Assignee: Walter John
• Original Assignee: Walter John
• Inventors: WALTER JOHN
• Application Number:
  US04/425,027
• Time in Patent Office: 777 Days
• US Class Current: 83/676
• CPC Class Codes: B26D 1/00 Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
• CPC Class Codes: B26D 1/0006 Cutting members therefor
• CPC Class Codes: B26D 2001/002 Materials or surface treatments therefor, e.g. composite materials
• CPC Class Codes: B26D 2001/0046 rotating continuously about an axis perpendicular to the edge
• CPC Class Codes: B26D 2001/0053 having a special cutting edge section or blade section
• CPC Class Codes: B26D 2001/0066 having shearing means, e.g. shearing blades, abutting blades
• CPC Class Codes: Y10T 83/9403 Disc type

Claims

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.