Drill pipe handling and placement apparatus

Details Drill pipe handling and placement apparatus Drill pipe handling and placement apparatus

1983-06-08

1985-10-15

Paperner, Leslie J.

Material or article handling

Well pipe or rod racking mechanism

With slope change

175 85, 294 8162, 2941031, 414736, 414745, E21B 1914, E21B 1920

Patent

active

045471096

ABSTRACT:
A cylindrical goods lifting and placement apparatus comprises a platform, an angularly disposable frame pivotably connected to the platform and having a drill pipe holding system for holding a length of drill pipe. An angularly displaceable member is pivotably connected to the platform and has a cylinder and piston assembly for angularly displacing the member from a first position substantially adjacent the holding system. Drill pipe grippers are connected to the member and the grippers are rotatable on an axis from a first position to a second position substantially aligned with the holding system. A drive system for rotating the pipe grippers is provided. Similarly, a drive system for operating the grippers is provided.

REFERENCES:
patent: 1518561 (1924-12-01), Carroll
patent: 3177944 (1965-04-01), Knights
patent: 3181630 (1965-05-01), Coburn
patent: 3581506 (1971-06-01), Howard
patent: 3750769 (1973-08-01), Young et al.
patent: 3937514 (1976-02-01), Langowski
patent: 4403897 (1983-09-01), Willis
patent: 4423998 (1984-01-01), Inaba et al.
patent: 4459898 (1984-07-01), Harjar et al.

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