(under subclass 611) Subject matter including a mechanism to raise or lower a sheet or other planar sheetlike material and having means peculiar to the handling of a sheet individually.
(1) Note. The sheet handling means may be in the form of a sheet gripper, flier, sheet, or can lid edge engaging screw, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
147, for means moving material, including sheetlike material, in a spiral path.
189, and 190, for similar apparatus even though disclosed for handling a sheet but having no means for individually handling the sheet.
SEE OR SEARCH CLASS
198, Conveyors: Power-Driven, for a conveyor, or plural conveyors, having a platform, gripper, or opposed surfaces that move vertically and thus provide means suitable for raising or lowering sheet material, including 346.1+, 463.1+, 604+, 625, 626.1+, 663, and 793+.