CPC E04H 4/084 (2013.01) [E05F 1/14 (2013.01)] | 18 Claims |
1. A lift system for a spa cover, comprising:
a first lift assembly configured for coupling to a first side of a spa, the first lift assembly including a motor and a first lever arm, the first lever arm having a first end configured for driving connection to the motor, and a second end configured for operative connection to a spa cover; and
a clutch assembly configured to transmit torque from the motor to the first lever arm, the clutch assembly including a drive plate rotatably driven by the motor, a clutch plate arranged parallel to the drive plate, and a plurality of projections extending from one of the drive plate and the clutch plate and being configured to engage a corresponding plurality of recesses in the other of the drive plate and the clutch plate;
wherein when the plurality of projections are seated in the plurality of recesses, rotation of the drive plate imparts a corresponding rotation of the clutch plate via engagement of the projections with the recesses; and
wherein when the plurality of projections are not seated in the plurality of recesses, the drive plate is permitted to rotate while the clutch plate remains stationary.
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