Robot gripper

Details Robot gripper Robot gripper

1986-01-30

1987-09-29

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Load shifting

414730, 901 32, 901 34, 294907, B25J 1502

Patent

active

046965017

ABSTRACT:
An electronic force-detecting robot gripper for gripping objects and attaching to an external robot arm is disclosed. The gripper comprises motor apparatus, gripper jaws, and electrical circuits for driving the gripper motor and sensing the amount of force applied by the jaws. The force applied by the jaws is proportional to a threshold value of the motor current. When the motor current exceeds the threshold value, the electrical circuits supply a feedback signal to the electrical control circuit which, in turn, stops the gripper motor.

REFERENCES:
patent: 3550630 (1970-12-01), Panissidi
patent: 4243257 (1981-01-01), Shackleford
patent: 4351553 (1982-09-01), Rovetta et al.
patent: 4492400 (1985-01-01), Yuda
patent: 4492949 (1985-01-01), Peterson et al.
patent: 4529237 (1985-07-01), Gupta et al.
patent: 4533167 (1905-08-01), Johnson
patent: 4544193 (1983-10-01), Dunn et al.
patent: 4545722 (1985-10-01), Cutkosky et al.

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