Patent ID: 8033377
Filing Date: 2011-10-11
Classification: A01D,B65G

Abstract:
1. An unloading auger for an agricultural harvester, comprising: an inner auger having an outer end and a first coupler at said outer end, said first coupler including a first engagement cog; an outer auger pivotally attached to said outer end of said inner auger, said outer auger having an inner end and a second coupler at said inner end, said second coupler including a second engagement cog, one of said first coupler and said second coupler including at least one engagement assistor configured to initiate rotation of said outer auger, when said outer auger is moved to an unfolded position relative to said inner auger, prior to engagement between said first engagement cog and said second engagement cog, wherein each said engagement assistor comprises a ramped surface extending from said second coupler and wherein said inner auger includes a fighting with an outer end, and said outer auger includes a fighting with an inner end, said first engagement cog and said second engagement cog being configured such that said outer end of said inner auger fighting is approximately 180 degrees out of phase with said inner end of said outer auger fighting, and a spring for yieldably urging one of said first and second couplers against the other of said first and second couplers to permit said first engagement cog to ride up and over said engagement assistors to finally engage said second engagement cog.