Underwater vacuum attachment device

Details Underwater vacuum attachment device Underwater vacuum attachment device

2005-02-15

2005-02-15

Basinger, Sherman (Department: 3617)

Ships

Anchor

Suction type

C248S205500, C248S205800, C248S206300, C248S683000, C294S064200

Reexamination Certificate

active

06854412

ABSTRACT:
A suction device includes a suction cell formed to include a cup having an open end and a stem extending from a side of the cup opposite from the open end. A control system is connected to the stem and arranged to form a partial vacuum in the cup such that the cup is attached to the substrate. The control system may include an actuator and a strain sensor connected to the stem. The actuator preferably includes a length of a material that includes a shape memory alloy.

REFERENCES:
patent: 3165899 (1965-01-01), Shatto, Jr.
patent: 3720433 (1973-03-01), Rosfelder
patent: 4527783 (1985-07-01), Collora et al.
patent: 4669915 (1987-06-01), Shatto, Jr.
patent: 4674915 (1987-06-01), Shatto, Jr.
patent: 5795001 (1998-08-01), Burke
patent: 6502877 (2003-01-01), Schick et al.
patent: 6506166 (2003-01-01), Hendler et al.

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