the surfaces being urged away from each other

Full Title

Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators > by devices acting on running material and not associated with supply or take-up devices (by controlling speed of driving mechanism of material-forwarding devices B65H59/38) > Co-operating surfaces mounted for relative movement > and arranged to deflect material from straight path > the surfaces being urged away from each other

Child Classifications

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• B65H 59/34 Surfaces movable automatically to compensate for variation in tension