Patent Number: 6,252,397

Title: Metal detecting device for a crop conveyor

Abstract: A metal detecting device for a crop conveyor has several closely spaced permanent magnets fixed within a hollow feed-roller in parallel with the shaft thereof. One pole of each magnet is directed radially outwardly such that its magnetic field penetrates through the hollow feed-roller and an adjoining crop-feed slot from inside to out, and wherein said magnetic field also passes axially through a respective sensor winding that is likewise arranged within the hollow feed-roller.

Inventors: Behnke; Willi (Steinhagen, DE), Frosch; Andreas (Gutersloh, DE)

Assignee: Claas Selbstfahrende Erntemaschinen GmbH

International Classification: A01D 75/00 (20060101); A01D 75/18 (20060101); A01D 075/18 (); G01R 033/12 (); G01R 033/02 ()

Expiration Date: 06/26/2018