Stairway tread and riser assembly
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United States of America Patent
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-
Oct 9, 2012
Grant Date -
Nov 10, 2011
app pub date -
May 4, 2010
filing date -
May 4, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A stairway assembly includes a tread and riser panel attached together by a uniquely designed gusset to form a tread and riser assembly that can be integrally installed on the stringers. In one embodiment, a first portion of the gusset includes a first attachment structure connected to the lower surface of the tread, and a second portion of the gusset has a second attachment structure connected to the lower surface of the riser. The first portion of the gusset extends at an angle from the second portion, with the side edge of the riser overlapping and facing the upper surface of the tread, and said tread side edge faces said gusset. The gusset may include an elongated slot that forms a line of weakening in the gusset. The gusset may be bent about the line of weakening to move the tread and riser into the final position in which the tread is perpendicular to the riser.
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