Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1997-02-25
1999-05-18
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 572, 81 5721, B25B13/50
Patent
active
059040750
ABSTRACT:
The present invention provides an improved power tong a body having with a rotating assembly. The power tong further has a plurality of jaw members positioned within the rotating assembly with two of the jaw members being pivoting jaws adapted to interlock when in a closed position. In an alternate embodiment, the improved power tong will have a compensating jaw assemble to limit the axial load placed on the tubular member being gripped.
REFERENCES:
patent: 2544639 (1951-03-01), Calhoun
patent: 3180186 (1965-04-01), Catland
patent: 3545313 (1970-12-01), Kelley
patent: 3799009 (1974-03-01), Guier
patent: 4030746 (1977-06-01), Langowski
patent: 4084453 (1978-04-01), Eckel
patent: 4304433 (1981-12-01), Langowski
patent: 4381169 (1983-04-01), Muhr et al.
patent: 4404876 (1983-09-01), Eckel
patent: 4426869 (1984-01-01), Farmer et al.
patent: 4441749 (1984-04-01), Blaschke et al.
patent: 4546681 (1985-10-01), Owsen
patent: 4576067 (1986-03-01), Buck
patent: 4631987 (1986-12-01), Buck
patent: 4647099 (1987-03-01), Berry et al.
patent: 4649777 (1987-03-01), Buck
patent: 4709599 (1987-12-01), Buck
patent: 4759239 (1988-07-01), Hamilton et al.
patent: 4811635 (1989-03-01), Falgout, Sr.
patent: 5150642 (1992-09-01), Moody et al.
patent: 5291808 (1994-03-01), Buck
patent: 5417464 (1995-05-01), Seaberg et al.
patent: 5542318 (1996-08-01), Wesch, Jr.
LandOfFree
Interlocking jaw power tongs does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Interlocking jaw power tongs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Interlocking jaw power tongs will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1752877