Abstract: A convertible hand truck including a pivotable handle member which may be stowed or selectively used as an extension of the toe plate when the hand truck is in an upright two-wheeled position, and may serve as the push handle for the hand truck when used in an horizontal four-wheeled position. The pivoting handle member is releasably coupled to the toe plate of the hand truck when in the horizontal position by a bracket which wraps partially around and slides along the handle member and extends between the two opposing upright handle segments. The bracket remains flush with the frame when in the stowed position, and has an offset tang which engages the top edge of the toe plate when the handle member is in the upright and secured position.

Abstract: A hand truck comprising an upright frame having an upper frame section which is telescopingly attached to a lower frame section to permit the height of the frame to be adjusted and clamped into position. A short toe plate extends forwardly from the bottom of the lower frame section, and is slightly narrower than a standard file cabinet. A pair of wheels are conventionally mounted to the rear of the lower frame section. A retaining arm having a hooked end bracket is pivotally and slidably mounted to a crossbar of the upper frame section, such that the retaining arm may be pivoted in a vertical plane generally perpendicular to a plane defined by the front surface of the lower frame section, and slidingly extended forward and retracted backward relative to the crossbar. A spring-loaded clamp assembly serves for pivoting the retaining arm, and for restraining the arm against sliding movement.

Abstract: A data cartridge handling system comprising a plurality of carrying cases, each case having a base, a hinged lid, and a carrying handle, and each being of suitable dimensions to house an insertable partitioned tray designed to hold a predetermined number of data tape cartridges having one of a variety of sizes. The cases may be removably inserted into a shelving module by sliding the case horizontally between spaced supports, and the entire system may be placed on a desktop or inverted and mounted under a desk or table.

Abstract: An open top support base for articles such as steel flat files, desk tops, and the like. The open top support base comprises a pair of opposing side panels, a back panel and a bottom shelf panel each extending between the side panels, a pair of leg weldments extending along the bottom edge and parallel with each side panel, and a pair of support braces attached to the top edge of each side panel and extending parallel thereto. The article may thus be rested upon or secured to the open top support base to elevate the article from the floor, or to provide a work surface or suitable height for a person to work while seated.

Abstract: A data carousel stand for accessible storage of data-holding materials is disclosed, having a base, a hollow vertical central hub for adjustably supporting a hollow vertical newel. One or more data carousels is rotatively mounted on the newel, each carousel comprising a plurality of radial arms in vertically adjustable offset stacked array. Each arm has a slidable upwardly extending bracket on each side which cooperate to hold data-containing materials therebetween.