Robot gripper

Details Robot gripper Robot gripper

1986-04-14

1987-09-15

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Slideable jaws

294 864, B25J 1502

Patent

active

046935053

ABSTRACT:
A gripper mechanism has opposed parallel fingers which open and close while remaining parallel to one another. The gripper mechanism is driven by a reversing electric motor which rotates a drive screw. A pair of arms support the fingers and are driven by the engagement of a pair of angled drive slots with a roller which travels along the length of the drive screw. The pair of arms are supported and guided by three parallel shafts which are arranged in a triangular configuration. A resilient drive coupling between the motor and the drive screw prevents the threads of the drive screw from locking with the roller mechanism.

REFERENCES:
patent: 3002779 (1961-10-01), Frate et al.
patent: 4178119 (1979-12-01), Busch
patent: 4544193 (1985-10-01), Dunn et al.

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