US 12,137,804 B2
Platform leveling apparatus
Ryan Huff, Bozeman, MT (US); and Brian Fulton, Huntington Beach, CA (US)
Appl. No. 17/604,656
Filed by Ryan Huff, Bozeman, MT (US); and Brian Fulton, Huntington Beach, CA (US)
PCT Filed May 5, 2020, PCT No. PCT/US2020/031498
§ 371(c)(1), (2) Date Oct. 18, 2021,
PCT Pub. No. WO2020/231677, PCT Pub. Date Nov. 19, 2020.
Claims priority of provisional application 62/847,157, filed on May 13, 2019.
Prior Publication US 2022/0110449 A1, Apr. 14, 2022
Int. Cl. A47B 91/16 (2006.01); A47C 17/80 (2006.01); B60P 3/39 (2006.01); A47C 17/86 (2006.01)
CPC A47B 91/16 (2013.01) [A47C 17/80 (2013.01); B60P 3/39 (2013.01); A47C 17/86 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A platform leveling apparatus comprising: (a) a platform attached to a frame, the frame comprising a front frame member and a rear frame member; (b) two and only two linear actuators, the two and only two linear actuators comprising:(i) a first linear actuator having an upper end that is rotatably attached to a first side of the front frame member; and (ii) a second linear actuator having an upper end that is rotatably attached to a second and opposite side of the front frame member; (c) one and only one heim joint configured to form a pivot support; (d) a table support panel that is fixedly attached to an underside of the platform so that the table support panel is parallel to the underside of the platform:(e) at least one table board that is slidably mounted between the table support panel and the underside of the platform: and (f) a stabilizer arm having an upper end that is rotatably attached to an angle bracket, the angle bracket being attached to an underside of the table support panel, and a stabilizer arm lower end that is configured to be rotatably attached to a vertical surface within a vehicle; wherein the rear frame member is connected to the one and only one heim joint; wherein the heim joint comprises a lower end that is connected to an upper end of a heim joint support; wherein a lower end of the heim joint support is connected to a rear base support by at least one of a front heim joint brace or a rear heim joint brace; wherein the rear base support is oriented parallel to the rear frame member when the heim joint is at a centered position; wherein the rear base support is positioned below a front edge of the rear frame member; wherein each of the first and second linear actuators has a lower end that is configured to be rotatably connected to a first fixed surface; wherein each of the first and second linear actuators comprises a piston that is configured to be extended and retracted by an electric motor; and wherein the platform is configured to tilt both side-to-side and front-to-rear on the one and only one heim joint.