Definitions for "LOCK RAIL"
Keywords:  cam, rail, sash, modestly, horizontal
The top horizontal section of the sash that a cam lock is fastened to. On sliders, the lock rail is vertical.
(see meeting rail)
The intermediate rail of a door at lock height.
A structural element of the fly system, usually located on the stage floor and directly attached to the building structure. Attached to this unit are all the rope locks, tension blocks, and line set identification tags.