Cecil H. Timberlake - Oakton VA Willie E. Viverette - Houston TX John B. Davidson - Bartlesville OK
Assignee:
Phillips Petroleum Company - Bartlesville OK
International Classification:
B25B 900
US Classification:
294 97
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.