Patent ID: 6905110

Claim:
A modular railing system for railing a staircase, said modular railing system comprising: a plurality of staircase rails; a plurality of balusters for supporting said plurality of staircase rails; and a finished-stair-tread adapter to attach one baluster of said plurality of balusters to the staircase, said finished-stair-tread adapter comprising: a baluster mounting member to mount said one baluster; a tread plate for attaching said baluster mounting member to a tread of the staircase, said tread plate having a first plurality of slip nuts slidingly mounted therein, wherein a fastener hole extends through each slip nut of said first plurality of slip nuts; and a riser plate for attaching said baluster mounting member to a riser of the staircase, said riser plate having a second plurality of slip nuts slidingly mounted therein, wherein a fastener hole extends through each slip nut of said second plurality of slip nuts.