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aboard_epsilon
05-18-2010, 07:25 PM
Acquired one of these this last weekend

it's a four jaw and a scroll chuck, all in one ..

it has a spring loaded peg sticking out of the back ..what's it for ?

the other locking devices at the back, Ive worked out .

it's quite good condition ..no rust..just needs taking apart to clean it ..
any tips appreciated..from what i can gather on it ..says patented in 1873..so maybe over 130 years old

says CONN USA on it ..so i thought you guys would know a bit more

oh, has small chunk missing out of one of the jaws ..would it be OK to weld this ..

all the best.markj

macona
05-18-2010, 08:16 PM
Are you forgetting something??? No pic means it didnt happen!

aboard_epsilon
05-18-2010, 08:31 PM
alright ive put the cam batts on charge .

Black_Moons
05-18-2010, 08:39 PM
I would NOT weld the jaws if you do not have the capability or intention to completely regrind thier clamping surfaces true to the chuck again
(ie the inside and/or outside of the jaw faces, And possabley even the 'ways' in the jaws)

You don't want heat distorting them.

aboard_epsilon
05-18-2010, 08:43 PM
its only a little nick 2 second burst with the mig..and because weld is soft, i can true it whilst its spinning in the lathe ...or even spend a few seconds fileing it

all the best.markj

aboard_epsilon
05-18-2010, 09:07 PM
as it came ..no clean up

http://img.photobucket.com/albums/v190/aboard_epsilon/chuck/horton1.jpg

http://img.photobucket.com/albums/v190/aboard_epsilon/chuck/horton3.jpg

http://img.photobucket.com/albums/v190/aboard_epsilon/chuck/horton2.jpg

macona
05-19-2010, 12:29 AM
Ooo, she's an oldie. those exposed tightening nubs went away for a reason.

This might be a good candidate for electrolytic rust removal.

aboard_epsilon
05-19-2010, 11:26 AM
took it apart today cleaned it, lubed it with dry moly..and gave it a spruce up

http://img.photobucket.com/albums/v190/aboard_epsilon/chuck/horton4.jpg

all the best.markj

gwilson
05-19-2010, 11:31 AM
I've seen 3 jaw chucks with those features. They were also quite old.

BobWarfield
05-19-2010, 11:47 AM
Seen a Schunk?

They're wild: http://tinyurl.com/schunk

Cheers,

BW