Patent ID: 8210557

Claim:
A trailer comprising: a main deck having a front end and a rear end; a plurality of movable ground engaging members supporting the main deck; a coupler support operably coupled to the main deck; an adjustable neck including an arm having a first end operably coupled to the front end of the main deck and a second end operably coupled to the coupler support; wherein the adjustable neck is configured to support the coupler support substantially level with the main deck in a pintle configuration and to support the coupler support above the main deck in a fifth wheel configuration; a first coupling including a first pivot pin connecting the first end of the arm of the adjustable neck with the main deck; a second coupling including a second pivot pin connecting the second end of the arm of the adjustable neck with the coupler support; a pintle hitch adapter coupled to the coupler support in the pintle configuration, the pintle hitch adapter including a receiver configured to couple with a pintle of a towing vehicle; and a fifth wheel hitch adapter coupled to the coupler support in the fifth wheel configuration, the fifth wheel hitch adapter including a king pin configured to couple with a fifth wheel hitch of a towing vehicle; wherein the first coupling further comprises a linear slide operably coupled to the main deck and supporting the first end of the arm of the adjustable neck for sliding movement relative to the main deck; and further comprising a slide lock for securing the first end of the arm from sliding movement relative to the main deck.