Patent ID: 9739031
Date: 2017-08-22
CPC Classifications: E01H,E02F

Claim:
1. A material moving assembly, comprising: a center blade assembly having a center main blade, said center main blade having a curved plate structure, said center main blade having a pair of lateral ends; at least one channel attached to a back side of said curved plate structure of said center main blade, said at least one channel extending to at least one of said pair of lateral ends of said center main blade, said at least one channel having a C-shaped cross sectional shape, said at least one channel and said back side of said center main blade defining a first gap therebetween at a lateral end of said at least one channel; and at least one wing blade assembly having a wing blade, wherein said at least one wing blade assembly includes a wing blade slide that is slidably engaged with said at least one channel to adjust the width of the material box, whereby said wing blade is slidable in transverse directions within said first gap at the back side of the center main blade, each said wing blade slide having a cross sectional shape which mates with and slides within said C-shaped cross sectional shape of a corresponding said at least one channel, each said wing blade being positioned behind said center main blade and having a curvature that allows transverse sliding of the wing blade relative to the center main blade.