Gate, door, window and curtain openers/closers

Devices, manual or electronic, that facilitate opening and closing windows, doors, curtains and locks. Assistive products for operating and controlling devices, see 24 09. Environmental control systems, see 24 13 03. Grip adapters and attachments, see 24 18 06.
18 21 03

Door openers and door closers

(30 product series)
Devices, manual or electronic, that facilitate opening and closing doors.

18 21 06

Window openers and window closers

(7 product series)
Devices, manual or electronic, that facilitate opening and closing windows.

18 21 09

Curtain openers and curtain closers

(5 product series)
Devices, manual or electronic, that facilitate opening and closing curtains.

18 21 15

Locks

(14 product series)
Included are, e.g. electric locks.