Patent ID: 9708823
Date: 2017-07-18
CPC Classifications: E04H,E05F,E05Y

Claim:
1. A lift assembly for a spa cover, the spa cover for covering an open upper end of a spa, the lift assembly comprising: a lever arm having a first portion for supporting a spa cover, and a first end for pivotable coupling to a sidewall of a spa for rotation of the lever arm about an axis between a closed position in which the spa cover rests on the upper end of the spa, and an open position in which the spa cover is displaced from the upper end of the spa, the first end extending substantially parallel to the axis; a pneumatic spring comprising a pneumatic cylinder and a piston rod, and having a first end and a second end, the first end of the pneumatic spring pivotally coupled to the lever arm, the pneumatic spring pivoting about the second end as the lever arm moves between the open and closed positions so that in the open position of the lever arm, the pneumatic spring urges the lever arm to rotate toward the closed position, and in the closed position of the lever arm, the pneumatic spring urges the lever arm to rotate toward the open position, wherein in use, one of: