TRAILER CONSTRUCTION

• US 3,565,480 A
• Filed: 12/02/1968
• Issued: 02/23/1971
• Est. Priority Date: 12/02/1968
• Status: Expired due to Term

• Current Assignee: Gerald W. Ward, Robert F. Mccollum
• Original Assignee: Gerald W. Ward, Robert F. Mccollum
• Inventors: Mccollum, Robert F., Ward, Gerald W.
• Application Number:
  US04/780,429
• Time in Patent Office: 813 Days
• US Class Current: 296/168
• CPC Class Codes: B60P 3/32 comprising living accommodation for people, e.g. caravans, camping, or like vehicles tents or canopies, in general E04H15/00
• CPC Class Codes: B60R 15/00 Arrangements or adaptations of sanitation devices
• CPC Class Codes: B62D 29/04 predominantly of synthetic material working of plastics or substances in a plastic state B29
• CPC Class Codes: B62D 29/048 Connections therefor, e.g. joints B62D29/045 takes precedence
• CPC Class Codes: B62D 63/08 Component parts or accessories

Abstract

THE DISCLOSURE ILLUSTRATES A MOLDED FIBERGLASS TRAILER BODY FORMED FROM COMPLEMENTARY UPPER AND LOWER SHELLS JOINED AT A BAND EXTENDING AROUND THE TRAILER. THE LOWER SHELL HAS A SERIES OF TRANSVERSE AND LONGITUDINAL RECESSES IN ITS BOTTOM OUTER SIDE WHICH RECEIVE A LADDER-TYPE STRUCRURAL FRAME. THE RECESSES ARE DIMENSIONED SO THAT THE OUTER BOTTOM SURFACE OF THE TRILER IS FLUSH. THE RESULTANT RIDGES FORMED ON THE INTERIOR OF THE BOTTOM WALL ARE USED TO SUPPORT FLOORING. THE FLOORING AND RIDGES FORM A SERIES OF CAVITIES HAVING A SUBSTANTIAL SURFACE AREA RELATIVE TO THE RIDGES. THESE CAVITIES ARE COATED WITH A LAYER OF URETHANE FOAM TO PROVIDE A HIGHLY EFFECTIVE INSULATION FOR THE FLOORING. ADDITIONALLY, THE INNER SIDE AND TOP WALLS OF THE SHELLS ARE COATED WITH THE FOAMED MATERIAL TO SUBSTANTIALLY INSULATE THE ENTIRE INTERIOR OF THE TRAILER. ONE OF THE CAVITIES FORMED UNDERNEATH THE FLOOR IS ALSO USED TO HOUSE A DRAINAGE SYSTEM FOR WATER UTILIZATION DEVICES, SUCH AS SINK, SHOWER AND PRIVY, POSITIONED IN THE TRAILER.

Claims