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UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

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MartinHewitt

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Post Tue Mar 06, 2018 10:20 pm

UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

Can someone enlighten me on this lock format? It seems to be a standard format without a standard name. Or perhaps it is called ACE lock? There are Walsall locks, S2, S5, etc.. Due to the Ratner which has quite good levers it seems to be an old format. Maybe one company started and other lock manufacturers copied the format?
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MartinHewitt

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Post Sat Mar 17, 2018 12:06 pm

Re: UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

Photos from a Willenhall CT12 and a Lowe & Fletcher 2802. Screw centers on the short side are about 1 3/4 inch (44.3mm) appart, on the long side roughly 2 9/16 inch (65.3mm). They exist also with the bolt on the short side.
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huxleypig

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Post Sun Mar 18, 2018 3:39 am

Re: UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

I make a universal tool for these locks. There are many, many variations of this lock (I have access to 14 I think) and whilst they seemingly look the same as each other, there are subtle differences like key diameter and bolt-throwing area on the key.
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MartinHewitt

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Post Sun Mar 18, 2018 9:11 am

Re: UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

Do you need to change parts on the tool to make it universal or is it one thing and you can stick in every lock?
In case you wonder ... Martin Hewitt is a fictional detective in stories by Arthur Morrison:
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huxleypig

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Post Mon Mar 19, 2018 1:30 am

Re: UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

You can just shove it in but with some you have to make sure you keep backwards tension, so the gates line up. The tension tip changes to take up the slack on the roomier ones.
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rphillips52

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Post Tue Apr 17, 2018 3:26 pm

Re: UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

As far as I know, the basic design started with Willenhall Locks, until they stopped making making locks, and ceased trading ... . The design has been copied since, notably L&F, in numerous variants over the years, as mentioned above.
There must be tens of thousands of them up and down Britain on drugs cabinets in hospitals etc., and so many other secure cabinets. A latching version was used on the lockers for official documents in vehicle testing stations.
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MartinHewitt

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Post Sun May 13, 2018 9:02 pm

Re: UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

There are also Yale locks of this type.

Btw. does this lock type have a name? Something where I could go to a safe shop, ask for it and the sales guy pulls out whatever model he has?
In case you wonder ... Martin Hewitt is a fictional detective in stories by Arthur Morrison:
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Post Fri May 18, 2018 8:01 pm

Re: UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

My suppliers just call them standard or economy safe locks. They are usually less than £15 each if that helps.
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MartinHewitt

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Post Sat May 19, 2018 12:32 pm

Re: UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

Yup. Thanks.
In case you wonder ... Martin Hewitt is a fictional detective in stories by Arthur Morrison:
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rphillips52

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Post Fri May 25, 2018 4:11 pm

Re: UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

Martin, you might like to see this article:
https://www.lasm.co.uk/2014/11/12/willenhall-ct12/
There is a decoder which works well. It appeared long after I retired, but maybe a working locksmith here could supply details if you wish to buy.
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MartinHewitt

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Post Fri May 25, 2018 5:20 pm

Re: UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

The CT12 was the first lock of this type I got. Ratlock was so nice to give it to me. I do like this lock type because of its compact and simple form and rather good materials - steel and brass.

Are you referring to a CT12 decoder? A video for the LF 2802 decoder is at https://www.youtube.com/watch?v=hJInitE0piM . The information there is actually enough to build one, but I am sure I will never find one here in Germany in the wild.

I am a bit puzzled why some locks have uniform bellies and some not. At least one of these standard locks (don't remember the model) has a uniform belly, most don't. Many of the EN1300/magic module locks have uniform bellies, but also many not. My theory is that it has to do with precision, perhaps reliability and lock format. I.e. non-uniform bellies allow cheaper lock production and/or building of locks which are less prone to failure after a lot of usage and it is more difficult to make uniform bellies the smaller the lock is. But this is just a theory and there are really strange locks, e.g. the LF 3007 and 3010 are of nearly identical construction, but the "more secure" 3010 has non-uniform bellies and the "less secure" 3007 has uniform bellies. In the end there is the same security with different stickers.
In case you wonder ... Martin Hewitt is a fictional detective in stories by Arthur Morrison:
Martin Hewitt, Investigator Chronicles of Martin Hewitt
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MartinHewitt

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Post Fri May 25, 2018 6:09 pm

Re: UK lock type: L&F 2802, Willenhall CT12, Ratner etc.

Is the 9-lever S2 from Walsall and also a standard lock? Does it look internally exactly like a CT12 & Co.?
In case you wonder ... Martin Hewitt is a fictional detective in stories by Arthur Morrison:
Martin Hewitt, Investigator Chronicles of Martin Hewitt

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