US 12,214,707 B2
Seat assembly with massage
Samuel Blair, Troy, MI (US); David Abdella, Royal Oak, MI (US); and Joshua Hallock, Warren, MI (US)
Assigned to Lear Corporation, Southfield, MI (US)
Filed by Lear Corporation, Southfield, MI (US)
Filed on Mar. 29, 2022, as Appl. No. 17/706,744.
Prior Publication US 2023/0311734 A1, Oct. 5, 2023
Int. Cl. B60N 2/90 (2018.01); A61H 9/00 (2006.01)
CPC B60N 2/976 (2018.02) [A61H 9/0071 (2013.01); A61H 2201/1246 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A seat assembly, comprising:
a seat frame;
a seat support with a seat occupant support surface supported by the seat frame; and
a plurality of linear actuators supported on the seat frame and oriented toward the seat occupant support surface, wherein each linear actuator is actuatable in response to a massage request, wherein each linear actuator is connected to the seat frame and adds a resilient reaction force to a massage output force, and wherein at least one of the plurality of linear actuators comprises a piston and a spring in cooperation with the piston to bias the piston to an extended position or a retracted position.