What’s this for?

[Adrian RawsonParticipant @adrianrawson27430]

When I bought my second hand lathe some years ago it came with lots of useful stuff, but one item that I have never found a use for is pictured here. Any ideas what it is?

[Adrian RawsonParticipant @adrianrawson27430]

[Brian OldfordParticipant @brianoldford70365]

Swing back boring bar holder perhaps.

[not done it yetParticipant @notdoneityet]

Without hunting, or guessing – lathe? Size of tool?

[Rod RenshawParticipant @rodrenshaw28584]

Yes, swing clear boring tool holder. There are images on Google and designs for home manufacture by Martin Cleeve in old MEs

[Adrian RawsonParticipant @adrianrawson27430]

Brilliant! It's so obvious now. The words swing clear and swing back gave it more meaning for me. I just sat it on the lathe cross-slide to have a look at how it would work. Thanks

[Brian OldfordParticipant @brianoldford70365]

Saves having to take the saddle all the way down the bed to insert a telescope gauge. etc.

[Michael GilliganParticipant @michaelgilligan61133]

This, from a thread in 2015 may be worth revisiting:

I was interested to discover that Martin Cleeve's Swing Clear Tool Holder was also published in Popular Mechanics.

books.google.co.uk/books?id=5OIDAAAAMBAJ&pg

MichaelG.

[Rod RenshawParticipant @rodrenshaw28584]

Martin Cleeve's articles are in ME Vol 116 of 1957. I don't know if Martin invented this design but he was very enthusiastic about it and wrote about the advantages and methods of working.

[BazyleParticipant @bazyle]

Can also be used for screwcutting and in fact all turning to save losing your place by retracting the cross slide to wind the dsaddle back. There should be a height setting screw in the hole nearer the pivot.

[Brian OldfordParticipant @brianoldford70365]

Posted by Bazyle on 13/07/2020 21:23:51:

Can also be used for screwcutting and in fact all turning to save losing your place by retracting the cross slide to wind the dsaddle back. There should be a height setting screw in the hole nearer the pivot.

Well spotted.

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