Robotic end of arm tooling internal gripper

Details Robotic end of arm tooling internal gripper Robotic end of arm tooling internal gripper

1986-12-19

1988-09-13

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Expanding

414735, B66C 154, B25J 300

Patent

active

047704560

ABSTRACT:
The present invention provides an end of arm tooling (EOAT) internal gripper device for a robot. The EOAT of the present invention provides a gripper portion which can be elastically deformed by being extended or retracted by an internal rod actuator. Extension of the actuator rod causes the gripper portion to assume a smaller dimensional shape for insertion into a workpiece cavity. Retraction of the actuator rod causes the gripper portion to increase in dimension therefore engaging and gripping the workpiece. The EOAT of the present invention is extremely useful in applications requiring large amounts of compliance, delicate handling, and/or in environments wherein an air supply is not available or desirable.

REFERENCES:
patent: 2708994 (1955-05-01), Kraft
patent: 2741381 (1956-04-01), Bezien
patent: 3166335 (1965-01-01), Mason
patent: 3253854 (1966-05-01), Hollander, Jr.
patent: 3780492 (1973-12-01), Corderoy
patent: 3945486 (1976-03-01), Cooper
patent: 4078671 (1978-03-01), Landstrum
patent: 4253694 (1981-03-01), Walter et al.
patent: 4273505 (1981-06-01), Clark et al.
patent: 4410210 (1983-10-01), de Sivry
patent: 4629237 (1986-12-01), Ito

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