Patent ID: 7425162
Filing Date: 2008-09-16
Classification: B63H

Abstract:
1. A cutting apparatus for cutting debris from a propeller, the cutting apparatus comprising: a spool secured or securable to a propeller shaft or the propeller so as to rotate with the propeller shaft and the propeller, wherein the spool is arranged to accumulate windings of debris on an outer surface of the spool as the propeller shaft rotates in use; and a cutter comprising a cutting edge oriented transverse to a length of the propeller shaft when the cutter is secured with respect to the propeller shaft and spool, wherein the cutting edge is arranged so as to allow an accumulation of debris on the outer surface of the spool, and the cutting edge is further arranged to pare from the outer surface of the spool accumulated debris that contacts the cutting edge such that paring of debris occurs in an axial direction of the spool.