(under subclass 417) Special constructions of manually supported and operated sifters adapted to scoop up the material to be sifted by insertion of the sifter or a portion thereof into a mass of the material and lifting the sifter away with a portion of the material thereon.
(1) Note. Where the devices of this subclass are provided with handles, they are of such limited dimension as not properly to be shovel handles. Devices having extended handles are ordinarily classified in subclass 419. Scoops, the scooping element of which is the conventional type without some special modification, are ordinarily classified according to the structure of the sifting element, and in such cases search should be made in the appropriate Sifter subclasses according to the structure of the sifting element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
282, and 283, for concave or convex sifters having reciprocating or rotating agitators.
357, and 358, for horizontal or inclined plane sifters with reciprocating or rotating agitators.
