Marine propulsion – Screw propeller – Propeller guard
Reexamination Certificate
2007-11-06
2007-11-06
Olson, Lars A. (Department: 3617)
Marine propulsion
Screw propeller
Propeller guard
C416S24700A
Reexamination Certificate
active
11496796
ABSTRACT:
A shielding apparatus includes a body formed from rigid material that has first and second pivotally conjoined sections removably cradled about the propeller. The body has a fulcrum axis registered parallel to a longitudinal length of the propeller. Each of the sections includes a plurality of cylindrical sleeves linearly juxtaposed end-to-end when the sections are adapted to the closed position. The sleeves receive the locking mechanism therethrough and prevent the first and second sections from pivoting to the open position. A fastener is included for locking the sections together at the closed position. The locking fastener is telescopically interfitted through corresponding distal ends of the sections. The locking fastener is detachable from the body when withdrawn along a linear plane extending parallel to the fulcrum axis such that the locking mechanism remains spaced from the propeller. The locking fastener is coplanar with the fulcrum axis.
REFERENCES:
patent: D263555 (1982-03-01), Curtis
patent: 4893487 (1990-01-01), Johnson
patent: 5246345 (1993-09-01), Adams, Jr.
patent: 5417093 (1995-05-01), Heiberg
patent: 5540067 (1996-07-01), Kim
patent: D386466 (1997-11-01), Hanson
Jones Amy
Jones Roy
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