this post was submitted on 21 Aug 2024
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Anything that makes you apply your hand to your face.
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Unless this handle is ancient or was originally for an interior door, then this is just for Internet points.
Pretty much all modern exterior door knobs can turn from one side, even if the knob on the other side is being held in place. On older doors or doors made for interiors you can still find a spindle that connects one knob to the other.
However, in modern door knobs each knob is connected to the tumbler cylinder via independent shanks. So blocking one or destroying the outside knob doesn't trap the occupant inside.
Those types of loocks, where the handles are fixed together, are fairly common where I live and are still sold. The world is a big place.
For exterior doors....? More than likely those are meant for interior use, and someone is being cheap and installing them for exterior use.
Either that or they just appear to be affixed together, but will still operate the tumbler even if one is being held in place.
The reason they don't really use a single spindle anymore is because it makes them extremely easy to brute force. You can literally just knock the handle off and access and operate the latch assembly.
They are for whichever use the customer wants. When used in outside facing doors (or doors you want to actually lock down) it should be paired with a deadbolt, as it is here. You are not wrong in saying that the main reason to use this solution is cost tho.
Those locks dont have a locking mechanism (hence the deadbolt) they are just meant to keep the door shut
There are some that do lock the latch. In those cases removing the handless wont do you any favours since the assembly itself is locked in place. And there are others that dont lock the latch but have a deadbolt as part of the lock.