21st Century Structures, LLC

Richard F Wehrli

Joseph P Gallione

A trailer assembly for transporting one or more vertically-oriented panels includes a frame having front and rear sections, a first set of lower crossbeams extending laterally across the front section of the frame, and a second set of lower crossbeams extending laterally across the rear section of the frame. The crossbeams provide vertical support for the panel(s). A hitch extending from the front section of the frame is attachable to a towing vehicle. A set of front vertical members extend upwardly from either the hitch or the frame. A set of front crossbeams extend laterally between the front vertical members and a set of rear crossbeams extend laterally between the rear vertical members. The front and rear crossbeams impede longitudinal movement of the panel(s). A set of wheels axially mounted on struts extend laterally from oppositely facing sides of the rear section of the frame. In one embodiment, one of the front and rear sections is capable of telescoping within the other section to vary the frame length.

Concrete panel trailer assembly with strut-mounted wheels

A trailer rack assembly stores and transports vertically-oriented panels that are fragile to impacts directed upon their major planar surfaces. The trailer rack assembly includes a bottom frame for supporting the panel in a vertical position, a top frame for containing the panel while being supported on the bottom frame, and a plurality of struts interconnecting the bottom and top frames. The struts are capable of absorbing and distributing lateral forces imposed upon the top frame, the bottom frame and/or the supported panel. One or more attachment projections extend from the rearward portions of the top frame, the bottom frame and/or an interconnecting strut. The attachment projection(s) are attachable to a rear tandem assembly having wheels mounted on one or more axles, the rear tandem assembly, and to a movable front assembly, which supporting the attached trailer rack assembly above the ground surface. Imparting a longitudinal force to one or both of the front and rear assemblies correspondingly urges the trailer rack assembly in the longitudinal direction.

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Naperville, IL, United States of America

Richard F Wehrli