Full Title

Window sashes, door leaves, or like elements for closing openings; Layout of fixed or moving closures, e.g. windows ; Features of rigidly-mounted outer frames relating to the mounting of wing frames (E06B5/00 takes precedence; shutters or the like E06B9/00; glass panes C03) > Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing > with only one kind of movement (E06B3/48 takes precedence) > with a single vertical axis of rotation at one side of the opening, or swinging through the opening (wings requiring lifting before opening E06B3/52)