Patent ID: 8062083

Claim:
A line cutter for mounting at a propeller itself mounted on a propeller shaft, the line cutter comprising: a rotatable cutting blade unit mountable fixedly with the propeller shaft for rotation therewith and including: at least one cutting blade extending generally radially of the propeller shaft and a pair of opposed thrust surfaces; a stationary cutting blade unit adapted to be restrained against rotation and having: a stationary cutting blade and a pair of opposed thrust surfaces complementary to the thrust surfaces of the rotatable cutting blade unit for locating the stationary cutting blade unit with respect to the rotatable cutting blade unit for line cutting; and means for restraining the stationary cutting blade against rotation, wherein: the restraining means includes a fixable member having a bore at least substantially parallel with the propeller shaft in use and the stationary cutter has a spigot sized as a sliding fit in the bore for location of the stationary cutter; wherein the fixable member is an integral feature of a stem tube or of a casing of an outboard motor.