(under subclass 372) Framed type devices having either (1) a fabric of greater area than is required when the frame is of the smallest adjusted size or (2) a fabric which is extensible to cover the frame when adjusted. Many of these devices have means for taking up the excess of fabric.
SEE OR SEARCH THIS CLASS, SUBCLASS:
31, and 240, for framed roller type devices in which the roller provides for excess fabric including those in which the roller is solely for such purpose.
