Support member for center support stairs

Details Support member for center support stairs Support member for center support stairs

1997-07-16

1999-03-02

Kent, Christopher

Static structures (e.g., buildings)

Stepped; e.g., stair

Interconnected relatively movable components

108 92, 108 95, E04F 11022

Patent

active

058755934

ABSTRACT:
A support member for center support stairs is composed of a plurality of support member elements which can be connected to each other in different vertical and angular positions and each receive and support a step of the stairs. The individual support member elements are hollow section-like cast members, wherein each support member element has two outer guide surfaces located opposite each other and spaced apart from each other and extending on the same circular line. Adjacent support member elements are connected to each other through at least one screw, wherein the screw rests with its head in a recess of the respectively upper support member element. The screw extends through openings of the walls of adjacent support member elements and is screwed into a clamping jaw provided in the interior of the respectively lower support member element.

REFERENCES:
patent: 5475954 (1995-12-01), Molinazzi

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