Ships – Anchor
Reexamination Certificate
2011-07-05
2011-07-05
Avila, Stephen (Department: 3617)
Ships
Anchor
Reexamination Certificate
active
07971548
ABSTRACT:
A shallow water anchor system provides a single arm arrangement with a fixed end of the arm mounted to the transom of a boat and the distal end of the arm retaining a rod adapted to be buried into the bottom of a lake, estuary, or other shallow body of water. The fixed end of the arm includes a first sheave and the distal end of the arm includes a second sheave, with a cable under tension between the first and second sheaves. A hydraulic operating mechanism drives a sliding block clamped to the cable. A hydraulic pressure is applied to one side of the other of a hydraulic piston with a cylinder to drive the operating mechanism, the sliding block moves back and forth thereby moving the arm up and down in a rotary motion about a shaft on the fixed end of the arm. In the down position, the rod is embedded into the bottom. In the stowed position, the arm is oriented straight up in a vertical position.
REFERENCES:
patent: 16704 (1857-02-01), Cumming
patent: 3731943 (1973-05-01), Wilkes
patent: 4073078 (1978-02-01), Leitz
patent: 4860507 (1989-08-01), Garza-Tamez
patent: 5460246 (1995-10-01), Burch et al.
patent: 6041730 (2000-03-01), Oliverio et al.
patent: 2010/0012013 (2010-01-01), Santiago
patent: 2010/0024712 (2010-02-01), Beaty
Avila Stephen
Stern Stick, LLC
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