Method and apparatus suitable for gripping an annular workpiece

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

1977-03-30

1979-01-02

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Expanding

294 16, B25B 900

Patent

active

041324439

ABSTRACT:
An annular workpiece is grasped by inserting into an annular portion of the annular workpiece the second end of a gripping member having a first end and an expandable second end and expanding the expandable end of the gripping member.

REFERENCES:
patent: 258203 (1882-05-01), Palm
patent: 296559 (1884-04-01), Hardin
patent: 1252226 (1918-01-01), Bonk et al.
patent: 2794669 (1957-06-01), Schardinger
patent: 3462934 (1969-08-01), Schulze

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