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Thread: Wooden door knobs?
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25th Apr 2012, 05:07 PM #1Product designer retired
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Wooden door knobs?
This question could have been in the woodwork section, but since it involves wood and metal, it's here.
My daughter has asked me if I could make some wooden door knobs, the variety that turn to unlock a door. Of course all fathers are a world of knowledge and can do anything, especially for a daughter, so I plunged in head first.
Suddenly I realise I don't know how the wooden knob is fixed to the lock mechanism. Any clues? Do I have to make up some metal parts as well?
Ken
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25th Apr 2012, 05:47 PM #2Philomath in training
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Traditionally there is a piece of square steel that passes through the lock and then into each doorknob, where it is secured by a small screw. This sort of thing -
http://p.lefux.com/61/20110503/A2627...oor-Lock_3.jpg
As the lock is actuated by the square shaft, the torque coming through the door know has to be able to be transferred to the the shaft. I'd suggest a metal insert in the knob would be a good thing rather than trying to go directly into the timber.
Michael
If you want something really unusual, you could do this -
Exciting Door Handles Design for Dream Home | Door Handle Design
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25th Apr 2012, 07:04 PM #3Member
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Most I've come across have a shaft through the door lock as suggested by Michael G, but it depends on the locking/latching mechanism. Door furniture can come as fixed, passage, privacy and lockable handlesets all in the same external design but slightly different internals. Mostly it doesn't affect things but some all metal ones use a hollow tube and cliplock system for the knobs. Some external door knobs I've seen are fixed differently to the shaft for added security.
Some are not fixed to the shaft at all but instead fitted to backing plates on either side which are screwed together through the door. The knob stills turns a shaft but it not fixed to the shaft.
It might pay to check what the existing ones are like first.
In the dim recesses of my memory, I have an image of a wooden knob (or maybe porcelain) fitted to a metal backing plate (brass?) with 3 or 4 smallish screws. The metal backing plate was fixed to the shaft. Someone else needs to confirm this or we can just agree it's just my imagination.