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Large 12" chuck - can anyone identify brand insignia TLS?

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Adam Harris10/07/2019 13:16:24
533 forum posts
26 photos

This old 12" 4 jaw chuck appears very nicely made and from a decent material that has not rusted badly, but the only maker's stamp is on the jaws. Can anyone help identify the maker's insignia please?img_0698.jpg?

Edited By Adam Harris on 10/07/2019 13:16:43

Adam Harris10/07/2019 20:09:18
533 forum posts
26 photos

Here is a photo of the face if it helps - only markings areimg_0706.jpg the Roman Numerals for each jaw position

Edited By Adam Harris on 10/07/2019 20:17:38

old mart11/07/2019 20:59:14
4655 forum posts
304 photos

Its nice having the tee slots if a faceplate is required. I can only think of Toolmex, TOS and TGS chucks starting with a T, its strange that the jaws are marked, but not the body. There should be a serial number on the body to match the jaw numbers, maybe on the rear. 

If you are a member of one of the forums across the pond, they might know.

Edited By old mart on 11/07/2019 21:01:33

Adam Harris19/07/2019 23:39:10
533 forum posts
26 photos

Someone has pointed out to me that the jaws are very likely not original to the chuck because the chuck jaw slot designations are in Roman Numerals whereas the jaws themselves are designated in English numerals. I have come round to guessing the unbranded chuck must be an old cheapo from China/Taiwan

old mart20/07/2019 20:54:50
4655 forum posts
304 photos

Have you tried out the chuck on a lathe? Do the jaws fit well in the slots? I find it very difficult to believe that someone managed to assemble different manufacturers parts, especially as they don't seem to be in a worn condition.

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