Apparatus for gripping a shaft or the like

Details Apparatus for gripping a shaft or the like Apparatus for gripping a shaft or the like

1976-10-04

1978-10-24

Novosad, Stephen J.

Boring or penetrating the earth

With tool shaft detail

Shaft carried guide or protector

24263D, 267147, 308 4A, 403227, 403372, 248356, E21B 1700, E21C 900

Patent

active

041216750

ABSTRACT:
Apparatus is disclosed that includes a housing through which extends a shaft, such as a drill string. A body of wire mesh is carried by the housing and located between the housing and the drill string. The wire mesh is compressed to cause it to expand laterally into engagement with the housing and drill string to hold the housing from movement relative to the drill string, to attach, for example, a stabilizer to the drill string, or to support at least a portion of the weight of the drill string.

REFERENCES:
patent: 1974546 (1934-09-01), Shipley
patent: 2066270 (1936-12-01), Hubbard
patent: 2564302 (1951-08-01), Fraser
patent: 3033622 (1962-05-01), Renner
patent: 3390709 (1968-07-01), Schmidt
patent: 3666000 (1972-05-01), Blech et al.
patent: 3747700 (1973-07-01), Rilling

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