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The Doorknob Signal
We’ve seen it before, the universal sign of “I have company, go away” signal. Often taking form as a tie around a doorknob or the potted plant flipped over. There’s got to be a more high-tech way. The Doorknob Condition uses an innovated pulley system that makes the knob on the exterior recess inwards when pulled from the inside. Without a knob to use, there’s no way to get it. Sure it could be great for security but who are we kidding? We know exactly how a doorknob like this would be used. Too bad it doesn’t have a little timer to indicate when to come back.
Designer: Arnaud Lapierre
35 Comments »
The Ceres Cafe says
I love, love, love the idea and want to purchase some of these doorknobs! Where can I find them and how soon?
Drew says
This doorknob is not ADA compliant, so it could never be used in a hotel, motel or other commercial application. Additionally, the fire department would take exception to a device like this being used in buildings they are required to protect. What an unbelievably short-sighted design.
rkusM says
Response to Drew:
If the fire department needs in, a door handle or lack thereof would not pose an issue.
That is why they have axes and rams. Your comment is the same as saying the FD takes exception to locks and deadbolts.
I think the design is clever. Hotels and comercial apps would need some sort of override key, just like any other *locked* door, I wonder if that is the intent of the slot?
Nice work I would be interested in this product if it ever made it to prod.
sarrel says
I completely agree. If it was the middle of the night and the house was locked up for the night, deadbolt and other locking mechanisms in place, and the house caught on fire, the deadbolt would not prevent the fire department from getting in. It’s just another more advanced lock, and the fire department has no problem getting through normal locks without a key, so this would not pose a problem either.
zj says
COOL! nice doornob.
I wonder where i can get it. XD
AL says
http://www.arnaud-lapierre.com
aquastealth says
What if someone accidently pushes in the doorknob from the
wrong side then you will never be able to open the door again!
sarah says
i think thats so cool. i would so buy one.
wwwo says
brilliant and original!
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Kolin says
I’m prety sure the same effect can be achived by using a lock…
E-Jay says
I. sure I have seen this concept before on http://www.burojet.com
Hit: work – architectural – doorknob
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