Patent ID: 8850757
Filing Date: 2014-10-07
Classification: E04F

Abstract:
1. A stair nosing assembly comprising: an elongated base comprising a generally horizontal tread portion having a rear edge, a generally vertical front portion extending downwardly from a front of the tread portion and comprising a bottom edge, and at least one anchor portion extending downwardly from a lower surface of the tread portion and configured to be embedded in a concrete stair tread; an elongated metal plate adhesively secured to an upper surface of the base, the plate comprising a plurality of horizontally extending ridges; an elongated polymeric cover comprising a generally horizontal upper portion having a rear edge, a front portion extending downwardly from a front of the upper portion, a front lip extending from a lower end of the front portion of the cover and configured to engage with the bottom edge of the front portion of the base, and a rear lip extending from the rear edge of the upper portion of the cover and configured to engage with the rear edge of the tread portion of the base, such that the cover covers the entire upper and front surfaces of the base and is retained on the base via the front lip and the rear lip; wherein the rear lip of the cover comprises a first portion extending downwardly from the rear edge of the upper portion of the cover, and a second portion extending forwardly from a lower edge of the first portion and positioned below the rear edge of the tread portion of the base; wherein the first portion of the rear lip of the cover comprises a weakened region extending along a length of the cover, such that the cover is configured to fracture at the weakened region into first and second pieces when the nosing assembly is embedded in a concrete stair tread and the front portion of the cover is lifted upward from the base, the first piece comprising the second portion of the rear lip of the cover and remaining embedded in the concrete stair tread, and the second piece comprising the front and upper portions of the cover and being detached from the base and the plate.