(under subclass 700) Apparatus for supporting and guiding the motion of a separable loose-leaf binder device from a closed position to an open position to permit insertion or removal of a sheet.
(1) Note. The operation of assembly or disassembly is usually manual, the apparatus merely serving as a support and guide for assembly operation.
SEE OR SEARCH CLASS
248, Supports,
441.1+, for an easel, book, or music score holder support.
269, Work Holders, appropriate subclasses for means supporting a loose-leaf book or sheet, per se, for the purpose of writing thereon.
