Unidentified Remote Combination Viewer Vaults

[wylk]

Here is one that we service, still in use.

This series 5 star was before the Constellation.

That looks like a match with the Drury Plaza doors. I didn't realize there were 5-stars before the Constellation.

I also noticed the door seems to include a switch where it meets the doorstop and I assume this tells the opening mechanism when to stop.

[David Hovey]

That looks like a match with the Drury Plaza doors. I didn't realize there were 5-stars before the Constellation.

I also noticed the door seems to include a switch where it meets the doorstop and I assume this tells the opening mechanism when to stop.

Half right, it's tiled Hydraulic Cushion stop, but also disconnects the electric motor for the hydro pump.

DH

[VaultDoors]

Half right, it's tiled Hydraulic Cushion stop, but also disconnects the electric motor for the hydro pump.

DH

Perhaps the device under the Cleveland Federal Reserve vault door is a hydraulic cushion stop: