(under subclass 363) Devices including attaching means or structure by which frames which carry the sifting elements are attached to supports or frameworks.
(1) Note. See note (1) to subclass 404 of this class.
SEE OR SEARCH THIS CLASS, SUBCLASS:
286, 347 and 407, for other frame attaching means.
319, for adjusting means for one or more of a series of flat reciprocating sifters, and also other appropriate subclasses of sifters, according to the type of adjustment.
