Drilling equipment tower raising mechanism

Details Drilling equipment tower raising mechanism Drilling equipment tower raising mechanism

1984-08-09

1986-04-15

Perham, Alfred C.

Static structures (e.g., buildings)

Mechanism operated relatively movable shaft assembly

Tilts relative to base

52115, E04H 1234

Patent

active

045818622

ABSTRACT:
A raising mechanism for drilling equipment towers mounted on a platform and having two pairs of linkage members, one shorter than the other one, each pair having its members connected on one end to each other and to the underside of the tower at spaced apart points. A cylinder is designed to vary the angle between the tower and the linkage members thereby causing the tower to move from a substantially horizontal position to a vertical position, or if desired, to a forward inclined position by the use of removable wedge elements.

REFERENCES:
patent: 2595307 (1952-05-01), Selberg
patent: 2808911 (1957-10-01), McLerran
patent: 3438450 (1969-04-01), Failing
patent: 3704560 (1972-12-01), Ratcliff, Jr.
patent: 4368602 (1983-01-01), Manten

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