enabling manual drive, e.g. in case of power failure

Full Title

Power-operated mechanisms for wings > using electrical actuators > using rotary electromotors > for horizontally-sliding wings > specially adapted for vehicle wings > enabling manual drive, e.g. in case of power failure

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