Extension disk support for disk harrow gangs

• US 3,370,653 A
• Filed: 07/08/1965
• Issued: 02/27/1968
• Est. Priority Date: 07/08/1965
• Status: Expired due to Term

• Current Assignee: Owen P. Hixon
• Original Assignee: Owen P. Hixon
• Inventors: Hixon, Owen P.
• Application Number:
  US04/470,477
• Time in Patent Office: 964 Days
• US Class Current: 172/599
• CPC Class Codes: A01B 23/06 Discs A01B15/16 takes precedence; bearings therefor A01B71/04; Scrapers for cleaning discs; Sharpening attachments; Lubrication of bearingssharpening in general B24

Claims

1. A DISK HARROW HAVING A DISK GANG COMPRISING MULTIPLE DISKS, SPACING SPOOLS BETWEEN SAID DISKS, A SPINDLE BOLT CONNECTING SAID DISKS AND SPOOLS, A WASHER ATTACHED AT ONE END OF SAID BOLT AND SECURING MEANS COACTING WITH THE OTHER END OF SAID BOLT TO TIGHTEN SAID DISK AND SPOOLS INTO FRICTIONAL ENGAGEMENT BETWEEN SAID MEANS AND SAID WASHER, SAID WASHER BEING PROVIDED WITH SPACED OPENINGS FOR RECEIVING A SPANNER WRENCH TO PREVENT TURNING MOVEMENT OF SAID BOLT DURING SAID TIGHTENING MOVEMENT OF SAID MEANS, THE IMPROVEMENT COMPRISING MEANS FOR ATTACHING AN EXTENSION TO SAID BOLT, SAID MEANS INCLUDING A PLURALITY OF ARCUATE SEGMENTS POSITIONED ABOUT SAID BOLT BETWEEN SAID WASHER AND THE OUTER OF SAID DISKS, EACH OF SAID SEGMENTS HAVING A THREADED OPENING THEREIN LYING IN AXIAL ALIGNMENT WITH ONE OF SAID OPENINGS IN SAID WASHER, A STUD PASSING THROUGH SAID ONE OPENING AND BEING THREADABLY RECEIVED IN SAID SEGEMENT, AND MEANS FOR ATTACHING SAID EXTENSION UNIT ON SAID STUD TO SAID WASHER.