Descriptions for E05F and notes/indexes are displayed on this screen.


Note(s)
In this subclass, the following terms are used with the meanings indicated:[4]
    "closer" or "opener" includes devices for assisting wing-movement or for wing-counterbalancing 

Subclass indexes

CLOSERS, OPENERS, OR CHECKS FOR WINGS

1/00, 3/00, 5/00

ACCESSORIES FOR WINGS

7/00

OPERATING MECHANISMS FOR WINGS

9/00-17/00