B - Operations – Transporting – 63 – H
Patent
B - Operations, Transporting
63
H
115/8
B63H 1/00 (2006.01) B63H 1/20 (2006.01)
Patent
CA 1079582
ABSTRACT OF THE DISCLOSURE A boat propeller hub comprises an inner sleeve for rigid attachment to a propeller shaft, an outer sleeve disposed concentrically with the inner sleeve and arranged to carry propeller blades, and a bushing of elastic material disposed between the inner and the outer sleeves, said bushing having a greater wall thickness at its end portion that at its middle portion.
305020
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