Pipe tongs
Patent
·
OSTI ID:5116802
This patent describes a pipe clamping device. It comprises: a fixed handle, a removable pipeclamp at one end of and projecting laterally from the fixed handle, an adjustment screw at another end of the fixed handle, a movable jaw member, a movable handle pivotally connected at one end to the movable jaw member, a movable latch and an operating lever therefor at another end of the movable handle, a linkage connected between the movable handle and the adjustment screw to provide an adjustable toggle, locking mechanism for the handles and movable jaw member of the tongs, a catch on the fixed handle engaged by the latch to secure the movable handle and movable jaw member in a locked, closed position, and a pair of projections one on each of the outer ends of the fixed handle and the movable jaw member beyond the pipe clamps providing means to support the tongs on a well casing and to support a wire or cable spaced from the wall of a well casing while lowering pipe thereinto.
- Assignee:
- NOV; NOV-91-024132; EDB-91-158430
- Patent Number(s):
- A; US 5014578
- Application Number:
- PPN: US 7-462047
- OSTI ID:
- 5116802
- Country of Publication:
- United States
- Language:
- English
Similar Records
IMPROVEMENTS IN OR RELATING TO REMOTE HANDLING TONGS
Improvements in and relating to pipe or tube couplings
Pneumatic soil removal tool
Patent
·
Wed May 08 00:00:00 EDT 1963
·
OSTI ID:4712651
Improvements in and relating to pipe or tube couplings
Patent
·
Wed Sep 26 00:00:00 EDT 1973
·
OSTI ID:4396099
Pneumatic soil removal tool
Patent
·
Tue Dec 31 23:00:00 EST 1991
·
OSTI ID:868495