Boring or penetrating the earth – Below-ground impact members – With releasable means to detachably retain telescoping...
Patent
1977-01-10
1978-04-18
Gilliam, Paul R.
Boring or penetrating the earth
Below-ground impact members
With releasable means to detachably retain telescoping...
175 5, 175220, E02D 700, B23P 1904
Patent
active
040843858
ABSTRACT:
A pile handling tool is supported at the upper end of a tubular guide, and includes a jacking mechanism for advancing a pile longitudinally relative to the guide, and a mast projecting upwardly above the jacking mechanism and carrying an aligning structure for laterally engaging a pile and holding it in properly aligned position with respect to the guide. The mast is desirably mounted for retracting movement from an upwardly projecting active position to a laterally retracted inactive position. The jacking mechanism may be constructed to rotate one of two successive pile sections relative to the other to complete a connection therebetween.
REFERENCES:
patent: 3483708 (1969-12-01), Marshall
patent: 3751930 (1973-08-01), Mott et al.
patent: 3754403 (1973-08-01), Mott et al.
patent: 3825076 (1974-07-01), Kolb
patent: 3991581 (1976-11-01), Kolb
Gilliam Paul R.
Green William P.
Grosz Alex
Varco International, Inc.
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