What are they?

What are they?

This topic has 7 replies, 4 voices, and was last updated 4 September 2023 at 17:22 by DC31k.

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4 September 2023 at 16:54 #659064
Bootlegger Blacky
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@bootleggerblacky
Any ideas what these brass/bronze thingys are?
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4 September 2023 at 16:54 #29359
Bootlegger Blacky
Participant
@bootleggerblacky
4 September 2023 at 16:54 #659065
Bootlegger Blacky
Participant
@bootleggerblacky
4 September 2023 at 16:55 #659067
Bootlegger Blacky
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@bootleggerblacky
What are they?
4 September 2023 at 16:57 #659068
Michael Gilligan
Participant
@michaelgilligan61133
Looks like they could be part of a centrifugal clutch mechanism

MichaelG.
4 September 2023 at 17:03 #659069
Dalboy
Participant
@dalboy
I would not thought that it is part of a centrifugal clutch mechanism as they do not have any means of attaching a spring to hold it in to return them to the resting position when RPM lowers
4 September 2023 at 17:16 #659071
Michael Gilligan
Participant
@michaelgilligan61133
But do you have any suggestion what they might be ?

MichaelG.
4 September 2023 at 17:22 #659072
DC31k
Participant
@dc31k
I have seen very similar, but with the boss on the outside of the curve, in a lever-operated lathe spindle-mounted collet chuck.

The closing ring, to which the lever is attached, remains stationary and only moves forward or backward when operating the lever. The bronze slippers run in a groove in the part of the closing ring that rotates with the chuck.

I must stress that the ones I have seen are inside out compared to the ones you show, so the above could be highly misleading.

Edit: part number 7 in this drawing:

https://www.model-engineer.co.uk/wp-content/uploads/sites/4/images/member_albums/91402/893454.jpg

Edited By DC31k on 04/09/2023 17:25:12
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