Differential coupling

a form of slip coupling used in light machinery to regulate at pleasure the velocity of the connected shaft.

See also: differential

References in periodicals archive ?
There's some differential coupling between the P and N pins, and the ground pins create returns in the Z dimension, just like ground planes do for traces.
A differential coupling is placed between each axle to prevent driveline windup, said Terex.
He starts to tell me how this particular Toyota Testosterone Special has got a twin camshaft overhead ashtray and a double manifold turbo Cosworth inlet valve in the differential coupling.
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