B - Operations – Transporting – 66 – D
Patent
B - Operations, Transporting
66
D
254/109
B66D 1/30 (2006.01)
Patent
CA 1083131
ABSTRACT A winding drum comprising a drum core having a substantially helical guide groove on the surface of the winding drum, The groove being defined by a substantially helically wound layer of rope or cable of a predetermined diameter wound onto the drum core and secured relative to the drum core at each end of said layer.
309668
Huggett Richard W.
Kirby Eades Gale Baker
LandOfFree
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