Parallel movement gripper head

Details Parallel movement gripper head Parallel movement gripper head

1983-06-06

1985-05-21

Marbert, James B.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

B66C 142, B25J 1504

Patent

active

045181870

ABSTRACT:
A workpiece gripper head comprises a body including side plates interiorly slotted on a longitudinal axis adapted to slidably support a selectively reciprocal rod end. A pair of opposed jaw assemblies are guidably mounted within the body and connected thereto for alternate inward and outward movements in a path at right angles to the axis. Each jaw assembly includes a pair of jaw plates having an angular cam slot and a pair of aligned guide slots at right angles to the longitudinal axis. A series of cam rollers upon the rod end are nested within the cam slots and additional rollers are mounted upon the side walls and nested within the guide slots whereby movement in the rod end in one direction moves the jaws towards each other and movement in the opposite direction moves the jaws away from each other.

REFERENCES:
patent: 3714870 (1973-02-01), Blatt
patent: 4252361 (1981-02-01), Descoteaux et al.

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