Patent ID: 8769874

Claim:
A sill assembly with an adjustable threshold to be installed onto a floor under an entry-door; the said sill threshold to be flush with a bottom of the entry-door comprising: (a) a housing with a front-foot, a back-foot, and two vertical supporting walls which form a U-shaped channel and accommodates two inner walls of a removable cap such that said cap inner walls are in direct contact with the vertical supporting walls, and wherein the housing includes a sloping top surface and the U-shaped channel houses adjustment screws; (b) a substrate that has a flat bottom surface and is tucked under said housing to support said housing; (c) the removable cap includes two outer walls and the two inner walls, configured to be inserted onto the housing; said cap is punched, in equal spacing, along a longitudinal axis of the removable cap, to form multiple screw-holes with countersinks; (d) multiple flat-headed cap-screws are mounted flush with the cap and inserted through the cap screw-holes to mate with the adjustment screws; (e) the U-shaped channel of the housing has multiple screw-holes which are tapped with female threads; (f) the substrate has multiple screw-holes which are tapped with female threads; (g) the adjustment screws include vertical straight threads at an upper portion thereof to mate with said cap-screws; each of said adjustment screws has a disc in a middle portion thereof to support the cap inner walls; said adjustment screws are fastened to the housing by fastening into the screw-holes of the U-shaped channel and the screw-holes of the substrate; and (h) two rubber gaskets are positioned in recessed channels located in the housing vertical supporting walls; each rubber gasket has two enlarged sides and a narrow neck which is secured with the recessed channel, so that the rubber gasket will not slip out.