US Patent 9981537 Truck cover system

A truck cover system that includes a rail that couples to a truck. The rail includes a rail body with a cover slot that couples to a cover and a wall that extends away from the rail body with alignment indicia. A latch system couples to the rail. The latch system includes a latch housing that includes a tongue aperture. A tongue moves axially within the tongue aperture. A tongue fastener couples to the tongue to secure the tongue to the latch housing. A spring surrounds a portion of the tongue fastener and axially biases the tongue into engagement with the rail. A latch positioner couples to the rail and to the latch housing to enable rotation of the latch housing while the alignment indicia facilitates alignment of the latch positioner on the rail.