Power tong positioner

Details Power tong positioner Power tong positioner

2008-06-13

2009-12-15

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S057340

Reexamination Certificate

active

07631581

ABSTRACT:
A power tong positioning apparatus having a base section and a backup elevating section engaging the base section. A first lift assembly is positioned between the base section and the backup elevating section while a tong elevating section engages the backup elevating section. A second lift assembly is then positioned between the backup elevating section and the tong elevating section.

REFERENCES:
patent: 3505913 (1970-04-01), Dickmann et al.
patent: 3881375 (1975-05-01), Kelly
patent: 4023449 (1977-05-01), Boyadijieff
patent: 4202225 (1980-05-01), Sheldon
patent: 4348920 (1982-09-01), Boyadijieff
patent: 4402239 (1983-09-01), Mooney
patent: 4563956 (1986-01-01), Wiechert et al.
patent: 4612996 (1986-09-01), Wolf et al.
patent: 4667752 (1987-05-01), Berry et al.
patent: 5099725 (1992-03-01), Bouligny et al.
patent: 5259275 (1993-11-01), Schulze-Beckinghausen
patent: 5664310 (1997-09-01), Penisson
patent: 6142041 (2000-11-01), Buck
patent: 6263763 (2001-07-01), Feigel et al.
patent: 6318214 (2001-11-01), Buck
patent: 6431029 (2002-08-01), Hawkins, III
patent: 6752044 (2004-06-01), Hawkins, III
patent: 2001/0025551 (2001-10-01), Pietras
patent: 2002/0088310 (2002-07-01), Pietras
patent: 2002/0157823 (2002-10-01), Pietras et al.
patent: 2003/0164071 (2003-09-01), Moe et al.
patent: 2302516 (1997-01-01), None
patent: 2340857 (2000-03-01), None
patent: WO 9318276 (1993-09-01), None
patent: 02/00395 (2002-01-01), None

Affiliated with

Also associated with

Rating

Power tong positioner does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Power tong positioner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Power tong positioner will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4132223