Stair nosing structure

Details Stair nosing structure Stair nosing structure

1977-10-27

1978-09-12

Braun, Leslie

Static structures (e.g., buildings)

Specified wear or friction-type traffic-carrying surface

Tread-nosing; e.g., shaped stair pad

52DIG6, E04F 1116

Patent

active

041126416

ABSTRACT:
A stair nosing structure for stair steps comprises an elongated, substantially rigid base member having an interlocking portion and a channel portion positioned along opposing longitudinal edges thereof. An elongated tread member overlies and is supported by the base member, and includes a portion matingly engaging the base member interlocking portion, and a depending rib having opposed sides thereof positioned between the faces of the channel portion. A plurality of fastening clips are disposed in the channel portion of the base member and are regularly spaced therealong. Each of the clips has a rigidly resilient body with a first portion thereof connected with one of the channel faces, and a second portion thereof frictionally engaging one of the rib sides, and securely interconnects the base and tread members.

REFERENCES:
patent: 1670798 (1928-05-01), Connelly
patent: 1681073 (1928-08-01), Welcome
patent: 2607971 (1952-08-01), Bedford, Jr.
patent: 3381775 (1968-05-01), Livers
patent: 3421274 (1969-01-01), Balzer et al.
patent: 3512222 (1970-05-01), Tinnerman
patent: 3759000 (1973-09-01), Balzer et al.
patent: 4001991 (1977-01-01), Balzer et al.
patent: 4037374 (1977-07-01), Balzer et al.
patent: 4043579 (1977-08-01), Meyer

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