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Need a replacement spring for a mortise lock MiamiCuse 11-04-2006
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Posted by MiamiCuse on November 4, 2006, 6:11 pm


I have a mortise lock and recently the dead bolt part will slide out without
turning the cylinder lock. This will cause the bolt to be stucked on the
dummy side of the double door and the door won't open.

I took it apart and found the problem. There is a spring/hinge thingie that
is broken...here is a picture of where it should be:

http://img.villagephotos.com/p/2005-10/1090906/P1000485.JPG

If you look at the full size image I have drawn a red line where the hinge
used to be connected and now it is broken. I then took the hinge apart and
this is what it looks like:

http://img.villagephotos.com/p/2005-10/1090906/spring.jpg

Is there a replacement part for this? Is this a genetic part I can order?
I put everything back then took the entire mortise to a local locksmith and
described the problem to him and he said I need to replace the entire
mortise which will be a special order and $135.00. I said it is only a
hinge and he told me the mortise lock are made to be replaced in whole and
not in part and I should not even try to fix it if I take it apart I will
just "hurt" the internal mechanism. Really?

MC



Posted by Joseph Meehan on November 4, 2006, 6:33 pm


MiamiCuse wrote:
> I have a mortise lock and recently the dead bolt part will slide out
> without turning the cylinder lock. This will cause the bolt to be
> stucked on the dummy side of the double door and the door won't open.
>
> I took it apart and found the problem. There is a spring/hinge
> thingie that is broken...here is a picture of where it should be:
>
> http://img.villagephotos.com/p/2005-10/1090906/P1000485.JPG
>
> If you look at the full size image I have drawn a red line where the
> hinge used to be connected and now it is broken. I then took the
> hinge apart and this is what it looks like:
>
> http://img.villagephotos.com/p/2005-10/1090906/spring.jpg
>
> Is there a replacement part for this? Is this a genetic part I can
> order? I put everything back then took the entire mortise to a local
> locksmith and described the problem to him and he said I need to
> replace the entire mortise which will be a special order and $135.00.
> I said it is only a hinge and he told me the mortise lock are made to
> be replaced in whole and not in part and I should not even try to fix
> it if I take it apart I will just "hurt" the internal mechanism. Really?
> MC

I would take it to a good local locksmith.

--
Joseph Meehan

Dia 's Muire duit




Posted by RicodJour on November 4, 2006, 6:50 pm


Joseph Meehan wrote:
> MiamiCuse wrote:
> > I have a mortise lock and recently the dead bolt part will slide out
> > without turning the cylinder lock. This will cause the bolt to be
> > stucked on the dummy side of the double door and the door won't open.
> >
> > I took it apart and found the problem. There is a spring/hinge
> > thingie that is broken...here is a picture of where it should be:
> >
> > http://img.villagephotos.com/p/2005-10/1090906/P1000485.JPG
> >
> > If you look at the full size image I have drawn a red line where the
> > hinge used to be connected and now it is broken. I then took the
> > hinge apart and this is what it looks like:
> >
> > http://img.villagephotos.com/p/2005-10/1090906/spring.jpg
> >
> > Is there a replacement part for this? Is this a genetic part I can
> > order? I put everything back then took the entire mortise to a local
> > locksmith and described the problem to him and he said I need to
> > replace the entire mortise which will be a special order and $135.00.
> > I said it is only a hinge and he told me the mortise lock are made to
> > be replaced in whole and not in part and I should not even try to fix
> > it if I take it apart I will just "hurt" the internal mechanism. Really?
> > MC
>
> I would take it to a good local locksmith.

And I would call around first. Start the conversation like this.

I need a ten cent spring and I'm willing to pay $20 for it. I just
need the spring - I'll replace it myself. Can you help me out?

I'm sure you could track one down on the internet, but it'd be tough to
know you're getting exactly (or close-enoughly) the spring you need
without comparing them side by side.

You could also try making one yourself. Take a suitably sized spring
and heat it up (anneal it) so you can work it. Form it into the shape
you need, heat it back up and quench it to temper it. It's a
bastardized technique, but it should work and it's easier than starting
from scratch. Here's the correct way:
http://home.earthlink.net/~bazillion/intro.html
and a Google search:
http://groups.google.com/groups/search?q=how+to+make+springs

R


Posted by John Gilmer on November 5, 2006, 9:12 am



> MC
> >
> > I would take it to a good local locksmith.
>
> And I would call around first. Start the conversation like this.
>
> I need a ten cent spring and I'm willing to pay $20 for it. I just
> need the spring - I'll replace it myself. Can you help me out?

The previous advice was sound: TAKE the lock out of the door and bring it
to a good locksmith. I have often taken locks into a locksmith (one I took
an old trunk to have the lock picked). If it's a larger operation, you
will have an owner who has "done everything" and usually hangs out in the
office until there is a lot of outside business or to help out a new guy.



>
> I'm sure you could track one down on the internet, but it'd be tough to
> know you're getting exactly (or close-enoughly) the spring you need
> without comparing them side by side.
>
> You could also try making one yourself. Take a suitably sized spring
> and heat it up (anneal it) so you can work it. Form it into the shape
> you need, heat it back up and quench it to temper it. It's a
> bastardized technique, but it should work and it's easier than starting
> from scratch. Here's the correct way:
> http://home.earthlink.net/~bazillion/intro.html
> and a Google search:
> http://groups.google.com/groups/search?q=how+to+make+springs
>
> R
>



Posted by Edwin Pawlowski on November 4, 2006, 11:43 pm



>I have a mortise lock and recently the dead bolt part will slide out
>without turning the cylinder lock. This will cause the bolt to be stucked
>on the dummy side of the double door and the door won't open.
>
> I took it apart and found the problem. There is a spring/hinge thingie
> that is broken...here is a picture of where it should be:
>
> http://img.villagephotos.com/p/2005-10/1090906/P1000485.JPG
>

I can get you one for $135.

I believe that is a form of a torsion spring. You may find something
similar in a good hardware store, or a similar sized one someplace. I've
seen springs of that style, but right now I can't recall where. You can
also buy something called "music wire" at a hobby shop and form your own.



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