Electromechanical manipulator assembly

Details Electromechanical manipulator assembly Electromechanical manipulator assembly

1986-08-22

1991-03-19

Spar, Robert J.

Material or article handling

Vertically swinging load support

414 4, 414735, 901 22, 901 37, B25J 1300

Patent

active

050006495

ABSTRACT:
A powered, electromechanical manipulator assembly is disclosed which includes an electrically powered input device coupled by a hydraulic circuit to a mechanical manipulator. The hydraulic circuit is a fixed-volume, closed circuit in which a master piston-cylinder assembly is driven by a D.C. motor and is hydraulically coupled for direct and proportional displacement of a slave piston-cylinder assembly to enable smooth, accurate and easily controlled displacement of a manipulator arm. The manipulator arm is formed of a plurality of modules each having a fixed- volume, closed, hydraulic circuit and a slave cylinder. Both the slave and master cylinders include ambient pressure surfaces which are exposed to the water pressure at the operating depth of the assembly so that variation in depth does not materially affect the response or dexterity of the remote manipulator apparatus. An improved terminal module or jaw assembly is also disclosed.

REFERENCES:
patent: 3422965 (1969-01-01), Lloyd
patent: 3440825 (1969-04-01), Lloyd
patent: 3835750 (1974-09-01), Dunne

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