Apparatus and method having short linear motion for grasping obj

Details Apparatus and method having short linear motion for grasping obj Apparatus and method having short linear motion for grasping obj

1997-05-30

1999-09-07

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Slideable jaws

294 641, 294902, 901 39, B25J 1506

Patent

active

059475390

ABSTRACT:
An apparatus having short range motion for gripping and releasing an object utilizes a programmable stepper motor for controlling various short stroke motions of the gripper. Gears associated with each of the at least one gripper jaws supported on a carrier shaft engage a common ring gear that is driven by drive means including the stepper motor which imparts synchronous motion of the grippers for opening and closing about the object.

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patent: 5050919 (1991-09-01), Yakou
patent: 5215507 (1993-06-01), Bonig
patent: 5253912 (1993-10-01), Andorlini et al.
patent: 5538305 (1996-07-01), Conway et al.

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