Abstract: A travel trailer is provided having a wall therein which is selectively movable along the longitudinal length of the trailer so as to alter the relative dimensions of rooms within the travel trailer without altering the exterior appearance of the travel trailer. In a preferred embodiment of a toy hauler-type travel trailer, the rearward wall separating the garage portion of the trailer from the living quarters is movably mounted at each of its sides upon a motor driven gear. Each such gear is operated in a synchronized manner so as to engage a gear rack on each side of the wall to drive the wall forward or rearward, as desired by the user.

Abstract: A travel trailer is provided having a wall therein which is selectively movable along the longitudinal length of the trailer so as to alter the relative dimensions of rooms within the travel trailer without altering the exterior appearance of the travel trailer. In a preferred embodiment of a toy hauler-type travel trailer, the rearward wall separating the garage portion of the trailer from the living quarters is movably mounted at each of its sides upon a motor driven gear. Each such gear is operated in a synchronized manner so as to engage a gear rack on each side of the wall to drive the wall forward or rearward, as desired by the user.

Abstract: An enclosed fluid storage tank for a fold-down trailer or similar vehicle which is mounted on the vehicle frame and extends into the vehicle chassis. Preferably, the fluid storage tank is mounted over the vehicle axle member to minimize the effect of varying fluid level and weight on the towing characteristics of the vehicle. In certain preferred embodiments, the fluid storage tank is mounted entirely below the top surface of the vehicle chassis and below the vehicle floor. The fluid storage tank can be secured to the vehicle chassis along two longitudinally extending ledges between a floor covering and two removable secodary longtiudinal support members. A vertically offset portion in the bottom surface of the fluid storage tank provides clearance for the vehicle axle member and a clearance channel provides clearance for lifting mechanism cables which extend through the vehicle chassis.