Thanks for the picture/manual reference @John Conroy. And the video reference @PeterT .
I think I have it figured out: it is a cone clutch (just looks like there is a taper the part they call “bush”). The feed does not actually disengage. The bush (24) slips in the clutch collar (23). The amount of force it takes to slip it is set by the “Feedrod Clutch Adjustment“ procedure.
The video clearly shows that Brad is manually disengaging the feed after he demonstrates how the carriage stops moving after it hits the stop.
This is a clever idea that seems to work effectively.
I think I have it figured out: it is a cone clutch (just looks like there is a taper the part they call “bush”). The feed does not actually disengage. The bush (24) slips in the clutch collar (23). The amount of force it takes to slip it is set by the “Feedrod Clutch Adjustment“ procedure.
The video clearly shows that Brad is manually disengaging the feed after he demonstrates how the carriage stops moving after it hits the stop.
This is a clever idea that seems to work effectively.