Abstract: An apparatus for use in the design of a package including a portion having therein a recessed area adapted to house an article, the apparatus comprising: a model of the package portion, a model of the article, the article model being locatable on the package model, and structure for identifying, in two dimensions, the position and orientation of the article model on the package model when the article model is located on the package model.

Abstract: An actuating device for protective roll bar fastened to a side hoop installed in a motor vehicle comprises, in combination, a slidable tubular sleeve, a coil spring cooperating therewith and a releasable latching means. The device permits an easy and rapid exit or access to the vehicle. The roll bar combined with the device offers increased safety for a passenger in the vehicle in case of an accident.

Abstract: A junction enclosure assembly including an enclosure having a pair of vertically spaced rails mounted upon the inner surface of the back panel thereof in forwardly spaced relation and a junction mounting panel having a mounting bracket at each of its upper and lower end portions which extend rearwardly and downwardly behind the rails and are inserted behind the rails from above to attach and support the mounting panel upon the rails in a readily, quickly and easily removable manner is disclosed. Threaded interengagement means is carried by the mounting panel for locking same to the rails.