Cutter wheel for tillage apparatus

Details Cutter wheel for tillage apparatus Cutter wheel for tillage apparatus

1981-04-23

1984-09-04

Johnson, Richard J.

Earth working

Rolling, rotating or orbitally moving tool

Tool has circumferentially spaced teeth, tines, blades or...

172120, 37 94, 299 91, 175410, A01B 3310

Patent

active

044691858

ABSTRACT:
An improved cutter wheel that is particularly useful with tilling apparatus for sod seeding purposes. The cutter wheel is mounted for rotation by a drive structure that includes a drive shaft. The cutter wheel includes a central disk portion with an outer periphery defining a plurality of equally spaced slots, each for receiving a tip-holding insert. A bullet-shaped tungsten carbide tip is soldered or brazed to the tip-holder and the holder is welded to the disk. The disk periphery is shaped to allow cutting clearance for the tip, to protect the tip from breaking off, and to provide rear support for the tip-holder. The angle at which the tip is connected to the holder is chosen so that the brazed or soldered joint is loaded primarily in compression as the wheel cuts through the soil.

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