with automatic actuation

Full Title

Power-operated mechanisms for wings > with automatic actuation

Classification Context

Section:

FIXED CONSTRUCTIONS

Class:

LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES

Subclass:

DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING

Child Classifications

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• E05F 15/71 responsive to temperature changes, rain, wind or noise
• E05F 15/72 responsive to emergency conditions, e.g. fire
• E05F 15/73 responsive to movement or presence of persons or objects
• E05F 15/77 using wireless control
• E05F 15/79 using time control