Abstract: An integrally molded plastic holder for tape cartridges is provided wherein the holder is partitioned into an upper section and a lower section by two spaced apart ledges integrally formed therewith and wherein the upper and lower sections have a plurality of compartments dimensioned to receive a tape cartridge and wherein a plurality of resiliently tab portions are mounted between the upper and lower ledges so that a portion of each tab portion is located in a recess in a tape cartridge when the tape cartridge has been inserted into one of the compartments to restrain the removal of the tape cartridge from the compartment. The tab portions are mounted so that, when the tab portions are in the recesses, they are in an unstressed condition.

Abstract: A holder for tape cartridges having a housing divided by a partition to form an upper section and a lower section each of which has a plurality of compartments integrally formed therewith from a relatively rigid plastic material so that a tape cartridge may be positioned in each of the compartments and separate resilient force applying structures, integrally formed from a plastic material more rigid than the plastic material in the housing, and secured to the housing so as to apply a resilient force against the tape cartridge in a compartment to urge the tape cartridge against portions of the housing to hold the tape cartridge in the compartment.

Abstract: A system for supporting documents such as multi-leaf computer print-out documents is presented and uses a holder having a main support member having a pair of support posts for supporting documents and a closure member pivotally mounted on the main support member for movement between an open position wherein documents can be mounted on or removed from the support posts and an intermediate position having a portion superposed over the support posts. The closure member can be moved in a linear direction from the intermediate position to a fully closed position in which the main support member and the closure member are locked together. Guiding forces control the linear movement of the closure member and frictional forces function to hold the main support member and the closure member in the fully closed position.

Abstract: An integrally molded plastic tape cartridge holding case having two oppositely facing openings provided with a plurality of inclined shelf means for supporting a tape cartridge placed thereon and an integrally molded tape cartridge transport case having compartments for holding a plurality of tape cartridge holding cases and a handle on the tape cartridge transport case so that the tape cartridge transport case can be transported from one location to another location.