Patent ID: 7360327
Filing Date: 2008-04-22
Classification: E01H,E02F

Abstract:
1. A pusher/bucket for moving solids and comprising: a back assembly having a nominally vertical back plate and a back scraping plate having a back scraping edge; a first wing having a first wing scraping edge, said first wing being pivotally mounted with respect to said back plate and positionable between a position substantially parallel to and at a separation D from said back plate and at least one position which is substantially normal to said back plate; means for locking said first wing in designated positions; a second wing having a second wing scraping edge, said second wing being pivotally mounted with respect to said back plate and positionable between a position substantially parallel to and at a separation D from said back plate and at least one position which is substantially normal to said back plate; means for locking said second wing in designated positions; a pivotable drop blade terminating in a cutting edge, said drop blade being attached with respect to said back plate about a drop blade axis so as to pivot between a raised position, where said drop blade resides over said back plate, and a lowered position, where said cutting edge is substantially in a plane formed by said first wing scraping edge and said second wing scraping edge; means for locking said drop blade in said raised position; and means for locking said drop blade in said lowered position.