E - Fixed Constructions – 04 – F
Patent
E - Fixed Constructions
04
F
20/101
E04F 11/02 (2006.01) E04F 11/025 (2006.01)
Patent
CA 1187264
ABSTRACT OF THE DISCLOSURE A curvilinear stairway construction for mounting to a curvilinear wall includes a plurality of stringers which are mountable one above the other and which are normally straight, but bend such that the curvature of the stringers is substantially concentric to the curvature of the wall when the stringers are mounted by the steps to the wall. Reinforcing means extend in opposite directions from the plane of the stringers adjacent the longitudinal edges of the stringers. The ends of the stringers contain a plurality of apertures for directly attaching the stringer ends together and the apertures and reinforcing means are positioned so as to allow horizontal movement of the stringer ends relative to each other to adjust for differing degrees of curvature of the wall.
417872
Greene David A.
Greene Paul S.
Greene Welding And Hardware Inc.
Osler Hoskin & Harcourt Llp
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