Abstract: A hingeless assembly for a modular display panel system is disclosed. The hingeless assembly includes a first portion which allows for attachment thereto of a flat plate wall panel and a second section for attaching an adjacent hingeless assembly thereto. The hingeless assembly of the present invention may be joined to another hingeless assembly with an angle of from zero to ninety degrees therebetween so as to form a display panel system of virtually any shape conceivable. The hingeless assembly attachment portion comprises an extending circular member and an extending parallel arranged cup-like member. The attachment portion of the hingeless assembly allows for connection thereto of another hingeless assembly with the cup-like and circular members of one of the assemblies respectively fitting with the circular member and the cup-like member of the other assembly so as to form a rotatable angle therebetween.

Abstract: An improved bracket arrangement for a slotted wall system is disclosed. The arrangement provides for vertically positioning the bracket regardless of the angle of the slots along the wall. A rotatable positioning bar is attached to the back of the bracket which allows the bar to be positioned transverse to the longitudinal axis of the slot while the bracket is maintained in a vertical orientation. Cam means are used to wedge the bar of the bracket and the back of the bracket between the slot and the face of the wall.

Abstract: A connector assembly includes a hollow rectangular tubular member having keyhole apertures therein with large rounded upper head portions and narrow rectangular neck portions. A cylindrical connector has an axially extending projection at one end with a square neck and circular head which are respectively matable with the neck and head portions of the keyhole aperture for non-rotatable mounting therein. The connector has a radial internally threaded bore for receiving a rod to support associated structures. The connector may be mounted in any of four positions so that the rod extends up, down or laterally. The connector has circumferential and longitudinal grooves to facilitate holding in telescoping relation thereover an associated hollow cylindrical sleeve, which may additionally be locked in place by a setscrew received through the sleeve and into the bore.

Abstract: A lock arrangement for securing a first panel to a second panel, and including a bolt having a head formed to the outer end of a shaft. A resilient means encircles the shaft and is operatively associated with the first panel, and the head of the bolt is operatively associated with the second panel. The panels are secured together by the force of the resilient means when the head is locked in the second panel, and the panels are released when the head is dis-engaged from the second panel. Alternatively, a panel may be secured to a bracket using said bolt and said resilient means, or a pair of panels may be secured to a bracket utilizing a pair of said bolts and a pair of said resilient means.