Elevator support adjustment for elevating scraper

Claim 1

In an elevating type wheeled scraper having a pair of vertical side walls and a bottom wall forming a bowl with an open front end for receiving material excavated by a transverse cutting edge and having an upwardly and rearwardly extending endless belt elevating mechanism disposed in said open front end for assisting in moving material excavated by said cutting edge into said bowl, means for adjustably supporting said elevating mechanism comprising: a pair of abutments secured to said sidewalls, respectively, a paIr of support arms secured to and extending in transversely opposite directions from said elevating mechanism and disposed above said abutments, respectively, a pair of adjustable support members rotatably and axially shiftably supported on said arms, rspectively, having a plurality of abutment surfaces at different radial distances from the associated arm, each said member being rotatable to selectively position any one of its abutment surfaces in abutable relation with its associated abutment, and detent portions formed on said arms and support members for releasably maintaining said support members in selected positions of rotation corresponding to said abutment surfaces being in abutable relation to their associated abutments.