arranged to operate in groups or in co-operation with other elements

Full Title

Forwarding filamentary material (stretch-spinning methods D01D5/12; drawing or drafting rovings or the like D01H5/00) > Rotary devices, e.g. with helical forwarding surfaces (devices for temporarily storing filamentary material during forwarding B65H51/20; driven rotary devices for controlling tension B65H59/18) > Rollers, pulleys, capstans, or intermeshing rotary elements > arranged to operate in groups or in co-operation with other elements

Child Classifications

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• B65H 51/10 with opposed coacting surfaces, e.g. providing nips
• B65H 51/12 in spaced relation to provide a series of independent forwarding surfaces around which material is passed or wound