Abstract: An apparatus is disclosed for supporting a cover over a bed of a truck. The apparatus comprises a bow base disposed proximate a side of the bed, a bow extension, and a shaft fixed to the bow base and rotatable with respect to the bow extension. A plurality of spiral torsion springs each have a first end that extends into an axial groove of the shaft, and a second end that cooperates with a locator pin fixed to the bow extension.

Abstract: An apparatus is disclosed for pivotally mounting a bow on a truck. The apparatus comprises a housing, a pivot assembly, a locator pin, and at least one spiral torsion spring. The housing is mounted to the truck generally below a bed of the truck. The pivot assembly includes a shaft and an integral bow base. The shaft is mounted in the housing, and the bow base extends from the generally perpendicular to the shaft, and is movable between a home position and a deployed position. The locator pin extends generally parallel to the shaft, and is selectively attachable to the housing at different locations relative to the shaft. The springs are disposed in the housing, and engage the locator pin and an axial groove in the shaft to bias the pivot assembly toward the home position.