What’s this please?

What’s this please?

This topic has 4 replies, 3 voices, and was last updated 1 November 2019 at 18:53 by Bob Lamb.

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1 November 2019 at 16:07 #435532
Bob Lamb
Participant
@boblamb44747
I have had this for some time and always wondered what it was for.

It can obviously be clamped onto a ¼" rod or could be held by the ¼" rod on the other end of the tool. The cross bar pivots in ons plane and the limits are shown in the last two photos. The ball ends of the pivoting arms are different diameters, one is ⅛" dia and the other end is 5/32".

The total length of the pivoting arm is 3 ¾".

If anybody knows what it is for, or could make use of it, please let me know

Thanks, Bob
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1 November 2019 at 16:07 #26933
Bob Lamb
Participant
@boblamb44747
1 November 2019 at 16:21 #435538
Alan Jackson
Participant
@alanjackson47790
It is part of a dial indicator mounting. The dial extended bar fits in the knurled clamp so that it reverses the movement for say centering bores on a lathe.

Alan
1 November 2019 at 18:01 #435548
John Purdy
Participant
@johnpurdy78347
Bob

As Alan says its part of a dial indicator unit, specifically for converting a rear plunger dial indicator to a DTI type of indicator. The mounting rod on the dial indicator is held in the 1/4" hole by the thumb screw and the rocking lever is adjusted to rest against the plunger on the dial indicator. The other end of the rocking lever then functions the same as the lever on a DTI.

If you go to Travers Tool.com and search for their part # 57-051-196 (Starrett part # 196A1Z) you will see a picture of it.

John

Edited By John Purdy on 01/11/2019 18:08:55
1 November 2019 at 18:53 #435558
Bob Lamb
Participant
@boblamb44747
Alan and John, thanks for the answers. It was good to see a picture of it on the Travers Tool link.
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