We have several very simple 120+ year old interior mortise locks that
we would lock to convert from skelaton key to thumb turn (since they
are on bathroom doors!).
I have taken the locks apart and they have very simple internal
mechanisms. It seems that I would need to replace the lever that is
activated by the skelaton key with one that has a standard square hole
in the middle so that I could insert a thumb turn.
I have previously tried adding washers to a skelaton key and putting
those behind the faceplate to keep the skelaton key in place, but it
doesn't give a good solution.
Anybody know how or whom I might use to do this conversion?
(note it is an old locks so I assume it will need some combination of
welding or custom fabrication)
The lock itself has a 2 1/2" backset with 2 1/4" between the spindle
and the keyhole.
There are conversion kits available for this purpose.
However, another alternate would be to remove all the skeleton ket
stuff, then use a high quality wood filler, like DAP's plastic wood,
applied in small amounts at a time over several days. Once it's been
filled in, just use a regular lock install kit and paint door. At
least this way it will look like it's always been that way.
However, I am keeping my sleleton key locks on all my doors. It's
simply easier just to take them apart, clean and lube then, and get the
proper key for it, then reassemble.
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