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Diebold Delayed Action Time Lock

Forgot how to dial the combination on that old safe? Think you got the right numbers but the handle is stuck? What safe should you buy? Ask your safe questions here!
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You are posting this in This Old Safe, a public area of the forum.

Safe manipulation discussion is allowed, but safe drilling or other destructive entry is only allowed in the Advanced - Safes and Safe Locks area.

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Diebold Delayed Action Time Lock

Postby djed » 22 Sep 2021 19:21

I just picked up a Diebold Delayed Action Time Lock and would appreciate input on how it is supposed to work. I'm guessing I'm missing pieces. Can anyone help?

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Thank you.
djed
 
Posts: 385
Joined: 30 Jan 2016 17:32

Re: Diebold Delayed Action Time Lock

Postby Publius » 22 Sep 2021 22:43

Hi djed -- interesting lock, though as you mention it does appear that you're missing some pieces. I was able to dig up the original patent filing that describes and illustrates the full workings of this invention (#2,029,072), granted to William C. Miller on behalf of Diebold: https://pdfpiw.uspto.gov/.piw?PageNum=0&docid=02029272.

Hope that's helpful in getting a sense for how this unusual piece originally operated.
Publius
 
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Joined: 5 May 2020 15:31
Location: Connecticut (USA)

Re: Diebold Delayed Action Time Lock

Postby MartinHewitt » 23 Sep 2021 4:37

Maybe a door back cover of a round door safe?
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Re: Diebold Delayed Action Time Lock

Postby 00247 » 23 Sep 2021 6:07

I have been curious of those time delays ever since there was one at an auction a few years ago. It seems you need the mounting base for it. I regret not buying the chest especially because it sold dirt cheap. Removing it from the building was a serious challenge. I should have bought it and pulled the locks and called it a day. In my defense, I was more interested in other items.

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At just a glance, I think the patent is for another lock that has the time delay built into the lock body. This delay simply slows access to the regular dial on the safe acting as a cover over the dial. How it works internally, I have no clue but time is of the essence for nefarious actors.
You call that a safe? Let me show you a real safe...
00247
 
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Re: Diebold Delayed Action Time Lock

Postby Publius » 23 Sep 2021 9:35

Yup, based on the photos above it does look like that's actually the wrong patent for an earlier Diebold design that built a time-lock directly into the inner lock mechanism. I assumed that must have been the right one, and you know what they say about assumptions. Apologies for jumping the gun with inaccurate info... Anyway, as 00247's post showed, this one seems to simply function as an escutcheon installed over an otherwise normal lock that would start a 15 or 20-minute countdown before opening -- basically a holdup-delay device rather than a conventional time-lock, similar in concept to the time delays built into some modern electronic combination locks designed for retail stores, etc. After a further search, I couldn't find a patent that matches this device, and it's possible that Diebold didn't complete the process to obtain one (it states 'patents pending,' but that doesn't necessarily mean a patent was granted)...I did, however, find some additional photos that show the inner workings -- apparently, the lower portion, below the twist-off cover, contains its own clockwork mechanism that controls a pin blocking removal of the cover until the timer winds down: one of the two small 'knobs' visible below the cover would wind the timer mechanism when it's in the 'locked' position, and the other would release it after the prescribed delay. It also appears that different versions of this 'escutcheon' device had either a 15-minute or 20-minute pre-set delay after winding, which would be stamped on the small window on the outer cover that appears to be blank in the OP's version.
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Publius
 
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Re: Diebold Delayed Action Time Lock

Postby djed » 25 Sep 2021 12:46

Thank you - this was very helpful.

David
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