Pipe handling apparatus

Details Pipe handling apparatus Pipe handling apparatus

1978-03-02

1980-07-15

Paperner, L. J.

Material or article handling

Well pipe or rod racking mechanism

With slope change

104112, 104180, 242 4701, 254332, E21B 1914

Patent

active

042125766

ABSTRACT:
A pipe handling apparatus for lifting and/or lowering heavy objects such as drill pipe, drill collars and the like to and from the elevated floor of a drilling rig from a lower storage position including an endless loop cable rove in a single layer in wide spaced grooves on a pivotably mounted rotatable drum and a deep, wide grooved sheave mounted substantially vertically on a load aligning floor pole with means for pivoting the rotatable drum to slacken or tension the cable to vary the elevation of the object being carried on free running trolly means and means for automatically preventing overloading of the cable.

REFERENCES:
patent: 3437315 (1969-04-01), McDonald
patent: 3589299 (1971-06-01), Ingram
patent: 3713547 (1973-01-01), Beck
patent: 3713548 (1973-01-01), Hanke
patent: 3720400 (1973-03-01), Potts
patent: 3749367 (1973-07-01), Joubert
patent: 4053063 (1977-10-01), Harper
patent: 4081087 (1978-03-01), Freeman

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