Power tong with interchangeable jaws

Details Power tong with interchangeable jaws Power tong with interchangeable jaws

1993-05-27

1995-03-07

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 572, B25B 1700

Patent

active

053947746

ABSTRACT:
A power tong that is adaptable to smaller sizes by installing an auxiliary camming assembly against the principle camming surface within the rotary. This auxiliary camming assembly preferably is seated within the neutral recess on the principle camming surface. An auxiliary cage plate carries auxiliary jaw sets.

REFERENCES:
patent: 4273010 (1981-06-01), Farr et al.
patent: 4469362 (1984-09-01), Schaarschmidt et al.
patent: 4709599 (1987-12-01), Buck
patent: 5044232 (1991-09-01), Schulze-Beckinghausen

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