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



















57 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.
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
desire says
I would like to purchase some,where do i,is there a site?
desire says
I would like to purchase some,where do i,is there a site?
gene says
that is one COOL doorknob… where can i get one?? is there any site??
Heather says
The same idea of the fire dept. and emergency services not liking the design, can be sad about the key system in place now in hotels. With minor adjustments, it could actually be made to be hotel compliant. OR used with the current system (In stead of the annoying Do not disturb signs that fall off).
I work at a hotel. I’d rather see a doorknob pulled in like this, and know not to go in, then find a sign kicked halfway down a hallway cause it fell off, and walk in on someone later.
NotSmall says
I would like one Because the government does’t like them.
Mae says
Is there any keycard or some kind ??? What if the door accidentally closed? Would you be able to get in?
Trujillo says
Awesome!!
Kara says
I could be incorrect of course, but judging by the hole near the base, there is a key unlock of some sort?
mmyytteesstt says
http://www.mmyytteesstt.com,http://www.mmyytteesstt.com
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