Abstract: An office furniture desk arrangement for providing a CRT work station, in which the desk includes a desk top that along the front of the desk defines a broad and flat work surfacing that extends between the sides of the desk under which a computer keyboard may be retractably mounted, and that along the back of the desk extends a relatively narrow trackway that also extends essentially between the sides of the desk, the upper surfacing of which is in substantial coplanar relation with the desk work surfacing. Underlying the desk top trackway is an easily excessed horizontal trough for concealing electrical wiring, with the trackway shiftably mounting a carriage for movement therealong that includes a rear casing that is roller equipped for riding along the trackway cantilever mounted fashion, and a front casing that is disposed over the desk top work surfacing and is connected to the rear casing for hand adjustment movement by the desk user toward and away from the desk user at the front of the desk.

Abstract: A safety lock system for vertically stacked slideably retained storage elements, such as file drawers. The system comprises one or more locking bars vertically slideably retained in alignment in a vertical support guide channel. Two or more cam elements are pivotally secured on a respective fixed pivot axis to the support guide channel adjacent an opposed end of each of the locking bars. Each of the cam elements have a cam portion retained in planar alignment with the locking bars and an activating arm portion for rotating the cam portion about the fixed pivot axis. A displaceable space is provided below each cam element portion defined between one of the locking bar opposed ends and the cam portion. An engaging member is secured to one or more of the storage elements.