US Patent 10941607 Window installation apparatus

The herein described invention is a window installation apparatus comprising of at least one wedge-shaped distance piece. The apparatus according to the invention comprises a body (1) connected in a sliding manner to a clamp (3) between which an expansion unit is positioned, comprising at least one wedge (6) and a lead screw (9) connected by means of a threaded connection with an opening (12) of the wedge (6), wherein the body (1) has protrusions (2) positioned at its opposite sides, lateral rails (5) mating with brackets (4) of the clamp (3) and an opening (10) in a rest wall (11) for the lead screw (9), while the outer walls (7) of the wedge (6) and the inner walls (8) of the body (1) and the clamp (3) converge downward at the same angle.