Drill rod holding and break-out device

Details Drill rod holding and break-out device Drill rod holding and break-out device

1980-10-22

1982-08-24

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5741, B25B 1350

Patent

active

043454933

ABSTRACT:
A vehicle mounted drill rod holding and break-out device has a clamp jaw support reciprocatingly mounted in a housing. The housing is pivotally mounted on the vehicle to permit the free end of the housing, hence the clamp jaw support, to swing toward and away from the vehicle. A selectively extensible and retractable arm is pivotally mounted at one end on the outside of the housing. At its free end, the arm carries a pipe wrench, pivotally mounted on the arm in such a way that when the jaws of the pipe wrench engage a drill rod at the extended position of the arm and the arm is retracted, the drill rod is rotated to break a joint between the clamp and the wrench. The height of the housing is made adjustable to accommodate travel and working conditions.

REFERENCES:
patent: 1736009 (1929-11-01), Nixon
patent: 3500708 (1970-03-01), Wilson
patent: 3844547 (1974-10-01), Lang et al.
patent: 4030542 (1977-06-01), Poe et al.
patent: 4194419 (1980-03-01), Mitchhart et al.

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