Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1998-12-01
2000-11-07
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 5716, 81 5724, B25B 1350
Patent
active
061420417
ABSTRACT:
A power tong positioning apparatus as disclosed herein is a power tong support positionable on the surface of drilling rig deck and attachable to at least one power tong. The power tong support is adapted to position at least one power tong so that it may engage said tubular member. The power tong positioning apparatus a frame, a base movably positioned on the frame, at least one arm pivotally attached to the base, a power tong support pivotally attached to the arm(s) and movably attachable to at least one power tong.
REFERENCES:
patent: 3780815 (1973-12-01), Barron et al.
patent: 3881375 (1975-05-01), Kelly
patent: 5161438 (1992-11-01), Pietras
patent: 5664310 (1997-09-01), Penisson
patent: 5667026 (1997-09-01), Lorenz et al.
Smith James G.
Thomas David B.
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