Nat pneumatic co inc.
Pneumatic door lock.
United states patent 6106032.
Cell doors corridors or entrances emergency exit doors.
Us2778632a en 1955 02 28.
Emco storm door closer kit in white color.
Free shipping by amazon.
Door operation and control us2733918a en 1956 02 07.
Vehicle door lock us2710186a en 1948 07 21.
Only 18 left in stock order soon.
The invention concerns a lock for doors or operationally similar structures the lock mechanism being manually actuated with the aid of pneumatic means without the need for external energy.
More buying choices 35 97 3 new offers.
Ideal security sk1730w sk1730 pneumatic heavy storm door closer white.
Get it as soon as fri aug 28.
Door actuating mechanism us2800323a en 1951 10 02.
Mount closer on all out swinging storm or screen doors by itself or paired with another standard duty closer.
Means for manually producing overpressure are rigidly connected to a door.
4 4 out of 5 stars 280.
Pittsburgh plate glass co.