Patent ID: 6520521
Filing Date: 2003-02-18
Classification: B60G,B60P,B62D

Abstract:
A suspension system in combination with a tilting bed trailer apparatus comprising generally:a. A load carrying deck with a front end and a rearward end, said deck having a forwardly extending tongue portion, said tongue portion having means for attachment to a tow vehicle; b. A generally U-shaped perimeter frame with parallel side rails opened in the rear, said rails extending forward and converging at the forward end of said load carrying deck; means to latch said U-shaped frame to a location on said forwardly extending tongue c. A pair of longitudinally oriented swingarms pivotally mounted to the sides of said load carrying deck, having outwardly disposed stub axles for wheel attachment located forward of said swingarm mounting location; means to pivotally attach said U-shaped perimeter frame to said swingarms at locations said swingarm mounting location, d. A spring means affixed between each said parallel side rail and each said swingarm.