.~ Moving impeller with cooperating circular arcuate guide
DEFINITION
Classification: 171/85
(under subclass 84) Apparatus which includes a first member shaped like a sector of a circle and a second member having a portion moving through a corresponding path adjacent said first member in such fashion as to provide an article confining space, at least one of said members being provided with digging elements adapted to comb through the soil to unearth objects imbedded therein and to deliver said objects between said members.
(1) Note. The moving member may be a separating digger or a mere impeller wheel or belt which shifts the objects confined between the members.
(2) Note. The said first member is usually fixed on a frame and may be a separating digger, a separator or a mere guide to confine the said objects.