Article manipulator

Details Article manipulator Article manipulator

1987-05-22

1989-07-25

Spar, Robert J.

Handling: hand and hoist-line implements

Grapple

Load shifting

294 88, 294907, 414 7, 414730, 901 21, 901 35, B25J 1512

Patent

active

048506311

ABSTRACT:
Application of tension simultaneously to three cords extending through respective coil springs and attached off the axes of the springs causes movement of tactile members on the ends of the springs to grasp, lift and rotate a workpiece. A capacity sensitive sensor positions the coil assembly relative to the object so that the tactile members will grasp the workpiece in a uniform manner irrespective of workpiece size.

REFERENCES:
patent: 1324564 (1919-12-01), Pringle
patent: 2733545 (1956-02-01), Guadagna
patent: 3413658 (1968-12-01), Becker
patent: 4330284 (1982-05-01), Dotsko et al.
patent: 4351553 (1982-09-01), Rovetta et al.
patent: 4541771 (1985-09-01), Beni et al.
patent: 4629385 (1986-12-01), Irie

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