Gripping device

Details Gripping device Gripping device

1974-09-13

1976-03-23

Love, John J.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

294106, 294115, B66C 316

Patent

active

039456765

ABSTRACT:
A gripping device for use in an industrial robot or manipulator including a pair of clamp arms mounted on a base plate of the device and connected with a clamp arm operating rod through a pair of links and a cylinder-piston assembly having a misgrip detecting mechanism. One of the pair of clamp arms is shorter than the other clamp arm and is provided with an additional cramp arm swingable with respect to the short clamp arm. The misgrip detecting mechanism is operated by the action of a pressure switch provided in a hydraulic fluid conduit connected between the hydraulic fluid supplying source and a pressure chamber formed within the cylinder-piston assembly. Thus, the gripping device can positively and effectively grip a workpiece.

REFERENCES:
patent: 2537607 (1951-01-01), Stone
patent: 2675935 (1954-04-01), Thurow
patent: 2725154 (1955-11-01), Hendricks
patent: 3013835 (1961-12-01), Blatt
patent: 3363929 (1968-01-01), Nelson
patent: 3567208 (1971-03-01), Blatt
patent: 3734556 (1973-05-01), Misawa
patent: 3865424 (1975-02-01), Jabkowski

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