Patent attributes
A lift assembly includes a lever arm mounting portion connected to a spring mounting portion, a lever arm, a spa cover engaging portion, and a pneumatic spring. A pneumatic spring proximal end portion has a pivoting connection to the spring mounting portion. A pneumatic spring distal end portion has a pivoting connection to the lever arm. The pneumatic spring exerts an extensive force upon the lever arm both when the lever arm is in the cover closed position and when the lever arm is in the cover open position. The extensive force urges the lever arm towards the cover open position when the lever arm is in the cover closed position, and the extensive force urging the lever arm towards the cover closed position when the lever arm is in the cover open position.
