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US 2003/0140736 A1Published application
Power tong positioning device
OwnerDavid A. Buckinventor
Life of this patent
Estimating the term…
Abstract
An improved power tong positioning device which includes a support arm and a base plate rotatably connected to the support aim. The device further includes a piston and cylinder assembly having a trunnion attached thereto and a trunnion bracket pivotally securing the piston and cylinder assembly to the base plate.
Claims8
A tong positioning device comprising:
- a. a support arm;
- b. a base plate rotatably connected to said support arm;
- c. a piston and cylinder assembly having a trunnion attached there to;
- and
- d. a trunnion bracket pivotally securing said piston and cylinder assembly to said base plate.
2 more elements
A combination power tong and positioning device comprising:
- a. a power tong suspended from an overhead cable;
- b. a tong positioner including
- i. a support arm;
- ii. a base plate rotatably connected to said support arm;
- iii. a piston and cylinder assembly having a trunnion attached there to;
- iv. a trunnion bracket pivotally securing said piston and cylinder assembly to said base plate;
- c. wherein a piston rod of said piston and cylinder assembly is connected to said suspended power tong.
4 more elements
A tong positioning device comprising:
- a. a support means;
- b. a base means rotatably connected to said support means;
- c. a piston and cylinder assembly having a pivoting means attached there to;
- and
- d. a means for pivotally securing said piston and cylinder assembly to said base means.
2 more elements
Dependencies are inferred from the claim text.