Jaws for power tongs and bucking units

Details Jaws for power tongs and bucking units Jaws for power tongs and bucking units

1988-04-19

1989-09-26

Meislin, Debra

Tools

Wrench, screwdriver, or driver therefor

Machine

81 572, 81 5714, 81421, B25B 1700

Patent

active

048691372

ABSTRACT:
The invention relates to an improved jaw construction for power tongs and bucking units wherein the jaws include a pair of gripping pads which are mounted to the jaws with a resilient insert so that loads applied through the jaw to the pipe are distributed over the gripping pads to minimize scoring the pipe or deformation thereof.

REFERENCES:
patent: Re31699 (1984-10-01), Eckel
patent: Re31993 (1985-10-01), Wesch, Jr.
patent: 1811666 (1929-12-01), Foster
patent: 2668689 (1954-02-01), Cormany
patent: 3589742 (1971-06-01), Flick
patent: 3599960 (1971-08-01), Phillips
patent: 3776320 (1973-12-01), Brown
patent: 3858468 (1975-01-01), Pasbrig
patent: 4077250 (1978-03-01), Wesch
patent: 4084453 (1978-04-01), Eckel
patent: 4089240 (1978-05-01), Eckel
patent: 4215602 (1980-08-01), Carstensen
patent: 4250773 (1981-02-01), Haynes
patent: 4276771 (1981-07-01), Wesch, Jr.
patent: 4281535 (1981-08-01), Wesch, Jr.
patent: 4334444 (1982-06-01), Carstensen
patent: 4350062 (1982-09-01), Farr
patent: 4372026 (1983-02-01), Mosing
patent: 4401000 (1983-08-01), Kinzbach
patent: 4593584 (1986-06-01), Neves
patent: 4649777 (1987-03-01), Buck
patent: 4709599 (1987-12-01), Buck

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