Erection means for portable drilling system

Details Erection means for portable drilling system Erection means for portable drilling system

1985-11-19

1986-12-23

Raduazo, Henry E.

Static structures (e.g., buildings)

Processes

Anchor, bond, etc.

B66C 2706

Patent

active

046304258

ABSTRACT:
A portable apparatus for drilling deep boreholes in the earth, comprising a sub-base structure, a drawworks platform supported on four legs hinged both to the sub-base structure and to the drawworks platform and when in lowered position extends away from a first end of the sub-base: A mast hinged to the sub-base structure by two legs and in the lowered position extends away from the second end of the sub-base; a pulling means has a sheave through which a slingline cable is passed, and the two ends of the cable are separately connected between the mast at a selected point, and a pulley mounted on the drawworks platform so that in one continuous pulling motion of the pulling means, the drawworks platform is first raised into vertical position, and then the mast is lifted until both parts are fully erected on the sub-base.

REFERENCES:
patent: 2261013 (1941-10-01), Berby
patent: 3228151 (1966-01-01), Wadslayer
patent: 3262237 (1966-07-01), Jenkins
patent: 3483933 (1969-12-01), Dyer
patent: 3749183 (1973-07-01), Branham
patent: 3803780 (1974-04-01), Donnally
patent: 4221088 (1980-09-01), Patterson
patent: 4305237 (1981-12-01), Borg

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