I’ve seen 2 scenarios of the coiled hose idea ... 1 coils around the shaft and the other idea does not coil around the shaft ...
In either scenario the coils have to be able to flex enough to not cause any resistance against the shaft, head, motor housing, (or pedal in Ultrex) ...
It is Spotlock design to disengage with any resistance to left or right travel ...
Rickie


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