Pipe manipulator

Details Pipe manipulator Pipe manipulator

1980-03-17

1982-08-24

Saifer, Robert W.

Material or article handling

Well pipe or rod racking mechanism

With slope change

414753, 414917, 175 85, 211 60S, E21B 1915

Patent

active

043458645

ABSTRACT:
Apparatus for moving stands of pipe in a derrick having a powered turret mounted in a selected position relative to the derrick and a vertical leg supported and rotated by the turret. A powered dolly is mounted on the vertical leg and moves one end of a power arm to selected positions along the vertical leg. A pipe gripping head is mounted to the opposite end of the power arm. A scissor arm is rotatably connected at one end in mid-region of the power arm and at the other end to the vertical leg. As a consequence, the pipe gripping head moves reciprocally in a straight line to engage, move, and disengage stands of pipe.

REFERENCES:
patent: 3655071 (1972-04-01), Langowski et al.
patent: 3710954 (1973-01-01), Hutchison
patent: 3883009 (1975-05-01), Swoboda, Jr. et al.
patent: 3888360 (1975-06-01), Ando et al.
patent: 4077525 (1978-03-01), Callegari et al.
patent: 4274778 (1981-06-01), Putnam et al.

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