Equipment handling apparatus

Details Equipment handling apparatus Equipment handling apparatus

1976-01-12

1977-05-24

Leppink, James A.

Boring or penetrating the earth

With orienting or racking means for unconnected tools or...

173147, E21B 1900, E21B 1500

Patent

active

040249255

ABSTRACT:
Apparatus for manipulating equipment by selectively holding it in a gripping device mounted on a movable closed-loop belt. In the particular embodiment shown, a swivel and elevator combination is mounted on a brace which runs along a track in the derrick of a well workover rig. A belt chain is joined to the brace to form a closed loop, and is motor-driven to raise or lower the swivel and elevator arrangement to move drill pipe or casing into or out of a well.

REFERENCES:
patent: 2972388 (1961-02-01), Thornburg
patent: 3682259 (1972-08-01), Cintract et al.
patent: 3721305 (1973-03-01), Mayer
patent: 3741315 (1973-06-01), Hilton
patent: 3835936 (1974-09-01), Lagerstedt et al.
patent: 3917005 (1975-11-01), Cannon et al.

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