Abstract: Apparatus is disclosed for supporting a document-holding cartridge in a position that permits the documents to be read easily. The cartridge is held on its spine in a position reversed from its normal document-supporting position and means are provided to keep it from tipping sideways by appropriately engaging one of the cartridge hooks by which the cartridge is held in its normal upright position.

Abstract: A one-piece spring fastener for connecting two members is disclosed which is useful as a replacement for a spring-biased hinge. The fastener has a body section with spring clips and a tab for locking the body section to one member and a leaf spring section that projects from one side of the body section and has means for attaching it to a second member.

Abstract: Guard device for storing a disk package comprising a jacket containing a flexible magnetic disk, said device being substantially rigid and having a front or cover surface, a back surface, sides and a bottom, said cover surface being preferably shorter in length than the back surface to permit a label on the jacket to be observed as well as to permit writing on the label and the sides preferably extending above the cover to protect the side edges of the disk package. The device also preferably includes ribs to protect a pocket for the disk package as well as restraining ribs located at the bottom of the pocket.