Abstract: A joint between connected ends of two rails of different height is provided with a connector/juncture bar member which is configured to fit with and engage corresponding surfaces formed on the rails when the rails are connected together. The joint so formed is one with increased strength, with ease and accuracy of alignment during assembly.

Abstract: A leveling joint between connected ends of two rails of different height is provided with a connector/juncture bar member which is configured to fit with and engage corresponding surfaces formed on the rails when the rails are connected together. The leveling joint so formed is one with increased strength, with ease and accuracy of alignment during assembly. The leveling joint is formed of several structural members, yet functions as and affords the strength and stability of a solid, unitary assembly.

Abstract: A leveling joint between connected ends of two rails of different height is provided with a connector/juncture bar member which is configured to fit with and engage corresponding surfaces formed on the rails when the rails are connected together. The leveling joint so formed is one with increased strength, with ease and accuracy of alignment during assembly. The leveling joint is formed of several structural members, yet functions as and affords the strength and stability of a solid, unitary assembly.

Abstract: A joint between connected ends of two rails of different height is provided with a connector/juncture bar member which is configured to fit with and engage corresponding surfaces formed on the rails when the rails are connected together. The joint so formed is one with increased strength, with ease and accuracy of alignment during assembly.

Abstract: An automated system for preparing weld land areas of panels to be welded to each other is disclosed. Generally, the system of the present invention includes a system for cleaning contaminants from such weld land areas. In one embodiment, the system for cleaning contaminants includes a system for blasting carbon dioxide granules or pellets against the weld land areas. In instances where the panels comprise aluminum, the system may further include a system for removing at least a first layer of aluminum oxide from the weld land areas. In one embodiment, the system for removing includes a system for moving a plurality of sheets of sand paper over the weld land areas. For purposes of moving the panels relative to the system for cleaning contaminants and/or the system for removing at least the first layer of aluminum oxide, the automated system of the present invention may further include a shuttle system for supporting and moving at least the first panel therethrough.

Abstract: A device for joining two spaced confronting fixed ends of two adjacent rails which are misregistered in a vertical, a horizontal or a longitudinal direction without forming a step therebetween. In one form the joint device includes a universal joint rail 1C disposed between two spaced fixed ends 2A, 2B and joined with them via universal joints 5. In another form, the joint device includes an expansion joint rail 3A disposed longitudinally between the fixed ends via a longitudinally movable connecting bar 8 and a resilient member 10.