What are they?

[Bootlegger BlackyParticipant @bootleggerblacky]

Any ideas what these brass/bronze thingys are?

[Bootlegger BlackyParticipant @bootleggerblacky]

[Bootlegger BlackyParticipant @bootleggerblacky]

[Bootlegger BlackyParticipant @bootleggerblacky]

What are they?

[Michael GilliganParticipant @michaelgilligan61133]

Looks like they could be part of a centrifugal clutch mechanism

MichaelG.

[DalboyParticipant @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

[Michael GilliganParticipant @michaelgilligan61133]

But do you have any suggestion what they might be ?

MichaelG.

[DC31kParticipant @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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