Barrel repair: Internal door handle

[mike004]

Is it possible to repair a barrel for a internal door handle?
The brass door latch that locates into the striking plate has fallen out, along with the return spring.

After removing the barrel, I couldn't see any way to fasten the spring in the barrel innards.
It's just a normal cheapo spring. Like you get in a biro pen.
Handles are 1970s rotary.

Any ideas welcomed. I might have to swap the barrel with the one from the spare
room, which isn't used much.

 

[pinenot]

Are you describing the latch by using the word barrel?...pinenot

 

[mike004]

Are you describing the latch by using the word barrel?...pinenot

Here is what I mean:
The barrel is the part that is inserted into a rebate in the door.
The latch is a wedge shaped brass part that sticks out from the door edge.

 

[JohnD]

Search "tubular mortice latch"

I think that's what you need

Measure your old one carefully, it is probably 65mm or 67mm

 

[mike004]

Search "tubular mortice latch"

I think that's what you need

Measure your old one carefully, it is probably 65mm or 67mm

Thanks, that is what I am looking for. The "innards" of the door handle.

The latch body on the old one is cylindrical; the new ones all seem to be rectangular.
But I don't expect I'll get an exact like-for-like replacement.

What I need is an old-fashioned ironmonger. The DIY sheds seem to sell just complete door handles.

 

[JohnD]

The sheds will have them, they are very common.

Or online at ironmongery direct, screwfix or ebay.

 

[mike004]

The sheds will have them, they are very common.

Or online at ironmongery direct, screwfix or ebay.

Yes, a big standard "contract" latch should be OK. If the old one is a standard size.
I may have a look in Wilkos.

Do they all work OK with a round spindle?

 

[JohnD]

round?

 

[pinenot]

When you look at the diagram of the latch, the size of the barrel is normally shown and the dia. of bore size given. You will have to work in reverse i.e. measure the size of the existing bore and buy a replacement latch to suit. trying to repair one of these is not worth it as the cost very little, £2.98 from B&Q...pinenot

 

[mike004]

round?

By spindle, I mean the rod that connects the handle to the latch.
Mine is round. Modern latches seem to expect a rectangular spindle.

 

[JohnD]

the spindle between the two knobs or handles is square, and has been in the oldest locks I have ever seen. It engages in a square socket or bush in the lock or latch.

If you put a round rod in a round hole, it will not turn the thing with the hole it it.

Sometimes the ends of the spindles are not square, for example if they have a screw thread to go into the knobs.

for example

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