Patent ID: 8308213
Filing Date: 2012-11-13
Classification: B60P

Abstract:
1. An enclosed trailer having a front and a rear, the trailer comprising: an enclosure having an interior at least partially defined by at least two lateral enclosure portions, the lateral enclosure portions being laterally movable between a contracted condition with a relatively smaller interior volume and an expanded condition with a relatively larger interior volume; a support frame including at least two lateral frame portions, the lateral frame portions being laterally movable between a contracted condition and an expanded condition, the contracted condition of the lateral frame portions corresponding to the contracted condition of the lateral enclosure portions and the expanded condition of the lateral frame portions corresponding to the expanded condition of the lateral enclosure portions; a frame movement assembly configured to move the lateral frame portions of the support frame between the expanded and contracted conditions, the frame movement assembly including a pair of laterally extendable and retractable axle members; and a pair of wheels with each of the wheels being mounted on one of the axle members such that the wheels move laterally inward and outward with the frame portions as the frame portions are moved laterally inward and outward between the contracted and expanded conditions by the frame movement assembly.