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How does this clutch work?
dieselpilot:
This is essentially the same mechanism for most collet lever drawbars. Simple cam action.
Brian Rupnow:
I think this is an ingenious design for a clutch. The only issue with it that I see is that while it may be great for 1" diameter shafts and larger, it would be incredibly difficult to miniaturize it to work on a 3/8" shaft like most of my engines have. True, most of the components are simply "turnings" that would present no difficulty to miniaturize, but the comma shaped pieces would get so small I don't think I could machine them accurately. Too bad, because it is a really slick design.
dieselpilot:
The shape of the cam can be simplified. Only the contact points are functional.
Doc:
--- Quote from: dieselpilot on September 20, 2018, 02:03:04 PM ---This is essentially the same mechanism for most collet lever drawbars. Simple cam action.
--- End quote ---
Yes this mechanism is used in many things.
BillTodd:
This is an animation of the clutch pusher on a Churchill Cub lathe :
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