111–120 of 153 posts
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I've never seen that outside the US. Keyholes both sides of the door, everywhere. When it's closed, you need a key or you don't get out.
Well, TIL. Never realized this was a US-specific thing.
"Also, locking an open door is usually not possible." A good feature to have on otherwise normal doors so that they only ways to lock it is to be inside or outside with the key. I now have a greater appreciation for deadbolts.
The English description on that page doesn’t make it easy to understand what this key does. ”Its name comes from the fact that it has two key blades (the part which activates the bolt) at each end of the key, rather than the usual single blade” How does that lead to the name “Berlin key” or either of the German names? I would guess “Berlin key” comes from the fact that it predominantly is used in Berlin. ”After unloc…
So here a video is worth a million words :) https://www.youtube.com/watch?v=4wE_6e3GPe4 Edit: I read the first paragraph twice and then to confirm my understanding I turned to YouTube.
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This is what a lock in Germany and most of Europe looks like: https://proxy.duckduckgo.com/iu/?u=http%3A%2F%2Fmax-attachme... It's the same from both sides (except for the screws, you can only unscrew it from the inside). Both the inside and the outside have a keyhole, and while a key is in one side you can't put a key in all the way from the other side (this way you can lock from the inside, leave the key in, and ev…
You can replace the lock with one of these: https://5.imimg.com/data5/EI/SP/MY-3690463/hardwyn-hcl-301-2...
The English description on that page doesn’t make it easy to understand what this key does. ”Its name comes from the fact that it has two key blades (the part which activates the bolt) at each end of the key, rather than the usual single blade” How does that lead to the name “Berlin key” or either of the German names? I would guess “Berlin key” comes from the fact that it predominantly is used in Berlin. ”After unloc…
The Berlin key ("Berliner Schlüssel") was mostly used in tenements with multiple backyard houses with a common front gate that should be closed at certain times. These kind of arrangements were mostly used in Berlin, hence the name. The other German names for the key describe different aspects of it: "Durchsteckschlüssel" translates to "push-through-key" and "Doppelschlüssel" translates to "double-key". If you are mo…
May I ask why you read a book on it? Just interested in locks/security or lock picking?
I’ve found reading general interest books are a great source of inspiration regardless of your speciality. So I like picking up random topics. For ex: a book on ants which had utility in simple autonomous network design.
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Those are peodominately used in situations where someone could reach in (via a broken window or space between bars) and simply unlock it. A solid door should not have this type of lock in the US.
> A solid door should not have this type of lock in the US. Why not? Someone smashes a window, crawls through it, walks around to unlock the main door, through which the burglars unload your stuff. It’s a lot harder to move things through windows.
The English description on that page doesn’t make it easy to understand what this key does. ”Its name comes from the fact that it has two key blades (the part which activates the bolt) at each end of the key, rather than the usual single blade” How does that lead to the name “Berlin key” or either of the German names? I would guess “Berlin key” comes from the fact that it predominantly is used in Berlin. ”After unloc…
The Berlin key ("Berliner Schlüssel") was mostly used in tenements with multiple backyard houses with a common front gate that should be closed at certain times. These kind of arrangements were mostly used in Berlin, hence the name. The other German names for the key describe different aspects of it: "Durchsteckschlüssel" translates to "push-through-key" and "Doppelschlüssel" translates to "double-key". If you are mo…
So Aldi shopping carts and Berlin keys are isomorphic. You stick your token in, you gain access to a facility, and then to get your token back, you must restore the facility to its proper state. Additionally, in both cases, the facility you're unlocking happens to involve physically moving an object around.
My house in Berlin, the Corbusierhaus[1][2], used to have this type of key for the front (car) gate. The gate was usually open, and then couldn't be locked with the key. If the gate was closed, it could only be left again in the closed state. The house is next to the Olympic Stadium, so the gates are closed when there's a football game, concert or other event. [1] http://www.corbusierhaus-berlin.de [2] https://en.wik…