Patent ID: 6101770
Filing Date: 2000-08-15
Classification: E04F

Abstract:
A stair nosing structure comprising:a) a sub-channel having a top surface and a bottom surface, and including:i) means to secure the sub-channel to a stair base,ii) a front end forming a leading edge of the nosing structure, andiii) an upwardly extending flange comprising the rear edge of the nosing structure;b) a front channel slidably engaging the top surface of the sub-channel including means for interlocking with the sub-channel to prevent vertical separation of the front channel from the sub-channel, and means comprising at least one threaded fastener for securing the front channel to the sub-channel when interlocked therewith, the front channel having a tread portion forming the tread surface of the stair nosing structure, and having a forward edge and a trailing edge, and an upwardly extending flange defining the trailing edge; andc) a rear channel including a heel surface coplanar with the tread surface of the front channel, the rear channel press fit into the space between the front channel flange and the sub-channel flange.