The DoorKnob Condition Ensures Privacy
By Andrew Liszewski
While there are several unofficial methods for letting a roommate know you’d like a little privacy the Doorknob Condition by designer Arnaud Lapierre ensures you won’t be interrupted no matter what. Instead of hanging something on the handle which could be misinterpreted you simply pull on the doorknob on the inside of the room which causes the knob on the outside to recess to the point where it can’t be grabbed or turned.
In theory it could also work well in a hotel when you don’t want to be disturbed in the morning as opposed to those hanging doorknob signs which are so easy to remove by a hilarious prankster outside your room.
[ The Doorknob Condition ] VIA [ electro^plankton ]
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Um, the link isn't working btw.
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"Can it be forced open should there be an emergency?"
As a home builder I can say that this door would be no more difficult to break through than with an average key set. Doors for the most part only give the illusion of security.
Most of the composite framed doors used fracture fairly easily. The simplest security for most residential doors is a metal bar (or dead bolt) in to a reinforced door jamb. If your just in a pine 2x4 or 2x6 (like 95% + of you are) most strong 14 year olds boys would be able to kick your door open. If they really want in they could use a window or if really dedicated they could fairly easily come through the roof (on houses with burglar bars).
The best security is not to show your wealth, and be a difficult target. Thieves, by their very nature, do not like to work. Make it easier, and more lucrative, to rob a neighbors house. Not yours.
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Could a person push it from the outside? It could be easily designed to only slide when the inside knob is being pulled.
Safety hazard? Well, kinda. Having a knob on a locked door to force yourself in helps, but a quality knob on a quality door is impossible to open with human force.
It could be designed to be opened with a pin like most bathroom doorknobs, or a larger hole something like a pen could fit in.
This device would only be useful for an interior knob around people you trust. As a hotel knob, it would require a slot like the one pictured a universal key could open.
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Security risk? Do you think a bathroom lock is a security risk? Please think about it.
Pushed in from the outside? Possibly if designed poorly, but can easily be made not to with a simple button latch that has to be pressed in before it can be pulled.
Yes, obviously this is an interior/hotel door. Regardless I could break into any interior or exterior door that Home Depot sells if I had on a sturdy shoe.
This is just a slick and more complicated way of a bathroom knob's lock. In one you press a button and the knob is inoperable, and in the other you pull so that the knob is inoperable.
If you want the poor man's version of this go to a hardware store and buy a $10 bathroom door knob set and install it. Then when your roommate tries to open the door and it won't turn, he/she will get the point.
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