closure bar

closure bar

Of a stair, a flat metal bar connected to the top and/or bottom surface or edge of a stringer along a wall; used to close gaps between the stringer and the wall.
References in periodicals archive ?
A closure bar at the end of the bandage means that it clips neatly into place and will not slip.
Spiroflow Systems' yoke closure bar system for its line of bulk bag dischargers increases operator safety and provides a hygienic way to control powder flow.
Spout closure bars, now available on Spiroflow bulk bag discharge systems, are a multi-functional feature designed to bring convenience and safety to FIBC handling, as well as dust-free discharge.