Collapsible shelter apparatus

A collapsible shelter for mounting in the bed of a truck, the truck bed having a floor, a front end and a rear end and at least two side walls substantially parallel to a longitudinal axis, the collapsible shelter comprising:

• (a) a substantially horizontal base releasably attached to the truck bed, raised above the truck bed floor;
• (b) at least one bunk attached to the base, the bunk being movable between a first position whereby the bunk rests on top of the base in the truck bed, and a second position whereby the bunk extends horizontally out and away from one of the side walls of the truck bed;
• (c) a frame having front and rear support members and a ridge pole being releasably connected at one end to the front support member and releasably connected at a second end to the rear support member, the front support member being pivotally attached to the front of the truck bed and the rear support member being pivotally attached to the rear of the truck bed, such that each of the front and rear support members pivot about an axis substantially perpendicular to the longitudinal axis of the truck bed to move between a first collapsed position and a second erect position, and wherein the truck bed further comprises tailgate support pins and upper tailgate locking pins located at the rear of the truck bed, whereby the rear support member is pivotally mounted to the tailgate support pins and releasably engages the tailgate locking pins to secure the rear support member in its erect position;
• and
• (d) a fabric shell releasably attached to the frame and to the bunk.