Method and apparatus suitable for grasping an annular workpiece

Details Method and apparatus suitable for grasping an annular workpiece Method and apparatus suitable for grasping an annular workpiece

1976-04-29

1978-04-11

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Expanding

B66C 142

Patent

active

040835936

ABSTRACT:
An annular workpiece is grasped by inserting a wedging member having two ends into the annular portion of the workpiece wherein the wedging member is longer than the diameter of the annular portion of the workpiece and positioning the ends of the wedging member against the inside surface of the annular workpiece.

REFERENCES:
patent: 2706658 (1955-04-01), Jewell
patent: 3057651 (1962-10-01), Lloyd

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