Ships – Vessel raising and docking – Submerged
Reexamination Certificate
2005-06-15
2009-02-03
Avila, Stephen (Department: 3617)
Ships
Vessel raising and docking
Submerged
Reexamination Certificate
active
07484467
ABSTRACT:
A control pendant for raising and lowering an object in water by hoist machinery allows control by a diver viewing the submerged object. The pendant has an elongate sheath defining an elongate interior extending between bitter and distal ends. The bitter end is coupled to the hoist machinery and the sheath has a length to extend below to the object. Control lines extend within the length of the elongate sheath and a first end of each control line is connected to the hoist machinery. The remainder of the sheath is filled with filler material. A watertight control housing is connected to the sheath at the distal end and contains a pair of switches that are each connected to a separate one of second ends of the lines. Sealed control buttons extend from the switches for selectively raising and lowering of said object by a percipient diver.
REFERENCES:
patent: 2953627 (1960-09-01), Malneritch et al.
patent: 3629963 (1971-12-01), Itami
patent: 4003620 (1977-01-01), O'Brien et al.
patent: 4805981 (1989-02-01), Gould
patent: 5043538 (1991-08-01), Hughey et al.
patent: 5072962 (1991-12-01), Webb
patent: 5522582 (1996-06-01), Dilks
patent: 5820109 (1998-10-01), Jermyn et al.
Avila Stephen
Shepherd James T.
The United States of America as represented by the Secretary of
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