US 12,345,066 B2
Lift system for a spa cover
Wade Spicer, Northumberland, PA (US); and Charles M. Woods, West Manchester, OH (US)
Assigned to STRONG INDUSTRIES, INC., Northumberland, PA (US)
Filed by STRONG INDUSTRIES, INC., Northumberland, PA (US)
Filed on Oct. 2, 2023, as Appl. No. 18/375,785.
Application 18/375,785 is a continuation of application No. 17/740,521, filed on May 10, 2022, granted, now 11,808,050.
Application 18/375,785 is a continuation of application No. 16/774,210, filed on Jan. 28, 2020, granted, now 11,359,396, issued on Jun. 14, 2022.
Claims priority of provisional application 62/797,768, filed on Jan. 28, 2019.
Prior Publication US 2024/0026699 A1, Jan. 25, 2024
Int. Cl. E04H 4/08 (2006.01); E05F 1/14 (2006.01)
CPC E04H 4/084 (2013.01) [E05F 1/14 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A lift system for a spa cover, comprising:
a first arm rotatable about a first pivotal connection with a side of a spa and pivotally connected to a spa cover;
a lift mechanism configured to provide for rotation of the first arm about its pivotal connection to the side of the spa; and
a mechanical linkage between the lift mechanism and the first arm;
wherein the lift mechanism is a linear actuator which is connected to the mechanical linkage at a point offset from the first pivotal connection.