IPC Subgroup
E05F 15/74 using photoelectric cells
Introduced: January 2015
Full Title
Power-operated mechanisms for wings > with automatic actuation > responsive to movement or presence of persons or objects > using photoelectric cells
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