Robot grippers

Details Robot grippers Robot grippers

1983-04-06

1985-10-01

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Load shifting

294106, B25J 1502

Patent

active

045441936

ABSTRACT:
A robot gripper for grasping objects. The gripper has a pair of fingers slidably mounted on a hand so the fingers may be moved in opposite directions along parallel axes. Each finger has a rack attached, and each rack is, in turn, drivingly engaged by a pinion. The pinions are rotatably mounted in the hand, and each has a link pivotally connected to the outer perimeter of the pinion. The other ends of the links are attached together and to the piston rod of a fluid cylinder. As the piston rod is moved, the links rotate the pinions in opposite directions, driving the racks and fingers together or apart, to selectively grasp or release objects.

REFERENCES:
patent: 2732083 (1956-01-01), Smith
patent: 2857194 (1958-10-01), Brown
patent: 3199910 (1965-08-01), Bradley
patent: 3287057 (1966-11-01), Gallapoo
patent: 3904234 (1975-09-01), Hill et al.
patent: 4336926 (1982-06-01), Inagaki et al.
patent: 4456293 (1984-06-01), Panissidi

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