US 12,030,570 B2
Apparatuses and methods for assisting in removing, installing, transporting, and/or storing a door of a vehicle
John H. Schultheis, DeMotte, IN (US); and Alan S. Demske, Wheatfield, IN (US)
Assigned to RAE SOLUTIONS LLC, DeMotte, IN (US)
Filed by RAE SOLUTIONS LLC, DeMotte, IN (US)
Filed on Mar. 10, 2022, as Appl. No. 17/691,580.
Claims priority of provisional application 63/208,593, filed on Jun. 9, 2021.
Prior Publication US 2022/0396323 A1, Dec. 15, 2022
Int. Cl. B62D 65/02 (2006.01); B25H 1/00 (2006.01); B62D 65/06 (2006.01)
CPC B62D 65/026 (2013.01) [B25H 1/0042 (2013.01); B62D 65/06 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A door lift apparatus for assisting in the removal of a single door at a time from a vehicle, the door lift apparatus comprising:
a support frame configured to support the door lift apparatus on a surface;
a cradle configured to receive and hold at least lower portions of the door over the support frame with the door centered on the cradle and configured to maintain the door in an upright orientation;
a displacement device coupling the support frame to the cradle and configured to raise and lower the cradle relative to the support frame, the displacement device comprising a mechanical scissor jack having a foot coupled to the support frame, a bracket coupled to the cradle, a pair of lower arms pivotally coupled to the foot, a pair of upper arms pivotally coupled to the bracket and to the pair of lower arms, a screw threadedly coupled with the pair of lower arms and with the pair of upper arms, and a handle coupled to the screw and operable to lower and raise the cradle relative to the support frame with the screw; and
transport means coupled to the support frame for enabling movement of the door lift apparatus across the surface.