Patent ID: 7264297

Claim:
A hinge system for use in adjusting a cover member between a closed position where the cover member covers at least a portion of a vehicle bed and an open position where the cover member does not cover the vehicle bed, the hinge system comprising: a first arm having first and second ends and a midsection, the first end adapted to be connected to the vehicle and the second end adapted to be connected to the cover member; a second arm having first and second ends and a midsection, the first end adapted to be connected to the vehicle and the second end adapted to be connected to the cover member, the midsection of the first arm being pivotally connected to the midsection of the second arm; and, a biasing device, operatively connected to either the first arm or the second arms, that biases the cover member toward the open position whenever the cover member is not in the closed position and that does not bias the cover member toward the open position whenever the cover member is in the closed position.