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US 4,789,303 AGranted
Marine propeller carry handle and emergency spare kit
AssigneeBrunswick Corporation
InventorsMichael E. Frazzell, Roger E. Koepsel, William J. Gius
Life of this patent
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Abstract
A marine emergency spare propeller kit includes a plastic floating spare propeller (4) mounted on a carry handle (20) having an axial shaft (22) extending through the propeller hub (10) and retained thereon by a plastic floating nut (8) which is threaded identically to the propeller drive shaft (6) of the marine drive (2). Carry handle 20 also conveniently transports the damaged propeller after replacement by the spare.
Claims3
A marine emergency spare propeller kit comprising:
- a plastic floating spare propeller having a central hub with a central axial opening therethrough for mounting to a propeller drive shaft to propel a boat;
- a carry handle having an axial shaft extending through said axial opening through said hub;
- means removably retaining said hub on said shaft, such that said propeller may be transported by the user by means of said carrying handle and stowed in the boat, ready for use,
- wherein said retaining means is at one end of said axial shaft, and wherein said carry handle includes a user grip portion at the other end of said axial shaft,
- wherein said drive shaft has a threaded end, and wherein said one end of said axial shaft of said carry handle is threaded identically to said drive shaft end, and wherein said retaining means comprises a plastic floating nut tightened on said threaded end of said axial shaft to retain said propeller thereon, said floating nut being removable from said axial shaft and usable to mount said propeller to said drive shaft if the original drive shaft nut sinks during the changing of propellers.
2 more elements
Dependencies are inferred from the claim text.