Compact power tong
AssigneeUniverse Machine Corporation
InventorsKurt R. Feigel, JR., Vladimir G. Pohnert
Life of this patent
Estimating the term…
Abstract
A power tong for rotating a pipe, the power tong comprising: a frame having a pair of arcuate front portions defining a throat for receiving the pipe; a cage plate assembly mounted for rotation on the arcuate front portions about a center of rotation, the cage plate assembly having an opening that is alignable with the throat; a ring gear mounted for rotation within, and supported by, the cage plate assembly about the center of rotation, the ring gear having an opening that is alignable with the throat; the ring gear cooperating with jaws mounted on the cage plate assembly for gripping the pipe upon rotation of the ring gear.
Claims7
A power tong for rotating a pipe, the power tong comprising:
- a frame having a pair of arcuate front portions defining a throat for receiving the pipe;
- a cage plate assembly mounted for rotation on the arcuate front portions about a center of rotation, the cage plate assembly having an opening that is alignable with the throat;
- and
- a ring gear mounted for rotation within, and supported by, the cage plate assembly about the center of rotation, the ring gear having an opening that is alignable with the throat;
- the ring gear cooperating with jaws mounted on the cage plate assembly for gripping the pipe upon rotation of the ring gear.
Dependencies are inferred from the claim text.