Hook rotating mechanism

Details Hook rotating mechanism Hook rotating mechanism

1982-08-20

1984-06-12

Spar, Robert J.

Material or article handling

Cylindrical bar handling device

Sequentially acting, diverse handling devices

175 52, 294 90, 414 22, F16L 310

Patent

active

044538847

ABSTRACT:
In a drilling system in which the hook is guided for vertical travel, by a pair of guide cables supported in the tower, so as to be in a given azimuth while handling drill pipe in the hole, an improvement in the hook mechanism which provides for rotating the hook through a selected angle with respect to the travelling block, as an aid to stacking the stands of drill pipe in the tower during the process of coming out of the hole, and vice versa.

REFERENCES:
patent: 3526425 (1970-09-01), Langowski et al.
patent: 3633767 (1972-01-01), Mitchell et al.
patent: 3695669 (1972-10-01), Langowski
patent: 4326745 (1982-04-01), Guier

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