Patent ID: 9376820
Filing Date: 2016-06-28
CPC Classification: E04D,E04F,E06C

Claim Text:
1. A walkway assembly, either attached to or adapted for attachment to a support structure, said assembly comprising: a primary support for on-site attachment to the support structure; a plurality of tread modules, each attached relative to the primary support and moveable between a plurality of riser units for supporting the tread modules relative to the primary support in at least the second of the first and second positions, said primary support comprising a primary support member which comprises a groove formation for location of the primary support relative to at least one of the support structure and another support member, and said groove formation defining a channel that is generally of a C shape in cross-section, whereby, within the groove formation, there are two abutment surfaces, each of which lies at a respective side of an opening of the groove formation in a face of the respective side, each of said riser units being pivotally secured to said abutment surfaces of the groove formation of the primary support member, each of said riser units supporting a respective one of the tread modules, whereby an inclination of one of the tread modules relative to one or more other of the tread modules is independently adjustable.