Baldarelli Bros., Inc.

Wallace E Baldarelli

Wilfred J Grenier

A load carrying body for a truck or truck trailer, including a flat rigid bottom panel assembly and two flat rigid side panel assemblies respectively secured along their bottom edges to the respective side edges of the bottom panel assembly, all enclosed across their rear ends by a selectively latched or unlatched pivotally supported load retaining door assembly. A load manipulating door assembly, initially positioned to enclose the front end of the load carrying body, having a bottom and two side edge portions all supporting uninterrupted elongate flexible wiper strips respectively continuously maintained in uninterrupted sliding engagement with the inner surfaces of the load carrying body. Multiple synchronously operated door driving mechanisms with a plurality of them mounted upon each side panel, each connected to, supporting and moving the attached load manipulating door assembly lengthwise of the body, either to discharge a load from the body with the load retaining door assembly unlatched, or to compact a load within the body with the load retaining door assembly latched. Pairs of relatively wide recessed channels extending lengthwise of each side panel assembly, each straddling a relatively narrow slot lengthwise of each side panel assembly and accommodating passage therealong of door supporting arms interconnecting the load manipulating door assembly and each door driving mechanism, and pairs of flexible sealing strips yieldably secured within the pairs of channels and flush with the inner surface of each side panel assembly to maintain uninterrupted sealing engagement with the coacting wiper strip. Multiple pairs of opposed elongated straight rigid track members engaging opposite sides of one of multiple slide assemblies each connected to a door driving mechanism and attached to a door supporting arm outwardly of and therefor protected by the cooperating sealed relatively narrow slot for movement freely lengthwise of the load carrying body but not otherwise either vertically horizontally.

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West Boylston, MA, United States of America

Wallace E Baldarelli