(under subclass 240) Devices and methods, wherein conveyors are employed both for the feeding of material to and for discharging material from sifting devices.
SEE OR SEARCH THIS CLASS, SUBCLASS:
420, for portable sifters.
SEE OR SEARCH CLASS
171, Unearthing Plants or Buried Objects, particularly
111+, and 138 for separators for sifting and recovering from a mass of earth plants or other desired objects embedded therein combined with conveyors for moving the earth or recovered objects to or from said separators.
