In this subclass, the following terms or expressions are used with the meanings indicated:
"wing" means a swingable, slidable or otherwise movablemember such as a door or window, for closing an opening;
"wing frame" means the peripheral edge or edges which define the outer border of the wing.
For vehicle door or window arrangements, attention is drawn to Notes (1) and (2) following the title of subclass Fulltext... Hierarchy... Expanded...B60J. [3]