Patent ID: 9044820
Filing Date: 2015-06-02
Classification: B65G

Abstract:
1. A fabricated agricultural auger for conveying grain material, comprising: a shaft adapted to rotate about a central axis; a flight extending and spiraling about the shaft, the flight comprising a base material of a first hardness; wherein the flight is separately fabricated from the shaft and welded or otherwise secured thereto; and a laser treated material formed on or into the base material along a portion of the flight, the laser treated material comprising a second hardness greater than the first hardness; wherein the base material is steel, and the laser treated material comprises a laser hardened layer formed integrally with an outer surface of the base material; and wherein auger has a predetermined inlet end and a predetermined outlet end, the flight includes an upstream face facing toward the outlet end and a downstream face facing toward the inlet end, wherein rotation of the auger conveys material from the inlet end to the outlet end, wherein the laser hardened layer is along the upstream face only, the downstream face only having an outer untreated surface of the base material.