Patent ID: 6839977
Filing Date: 2005-01-11
Classification: E04F

Abstract:
1. An apparatus for locating pivot holes along a stairway stringer for placement of pivotal tread/riser supports consisting of, a) an elongated rigid element forming a two surface planar body portion with a longitudinal edge as one surface and a lateral portion as a second surface, said longitudinal edge being a flange from said rigid element, b) said one surface of sold elongated rigid element planar body portion includes a first means for locating sold planar body portion along a stairway stringer, and said second surface comprising means axially along said planar body portion for locating said pivot holes for tread/riser supports along said stairway stringer, c) said longitudinal edge of said rigid element forms a T shaped flange with portions of said T extending from said longitudinal edge and to each side of said longitudinal edge, d) means in said elongated rigid element for locating the placement of pivotal holes in a stairway stringer, said means being located in said rigid element laterally across said lateral portion and axially along said planar body e) said means in said elongated rigid element for locating the placement of said pivot holes includes