Boring or penetrating the earth – With magazine for successively moving unconnected – oriented...
Reexamination Certificate
2006-11-13
2011-12-27
Andrews, David (Department: 3672)
Boring or penetrating the earth
With magazine for successively moving unconnected, oriented...
C175S085000, C414S022580
Reexamination Certificate
active
08083009
ABSTRACT:
The invention is a new well drilling machine, in particular for drilling with single pipes, with supporting mast (M) provided with at least one drill head′ (R) for the rotation-translation movement of the drill pipe (A), a loader (C) for said pipes (A), hinged to the relative supporting frame (T), integral with the machine body, and wherein said loader (C) can be slanted from the non-operating position (1) to the operating position (2), in which said pipes (A) are further slanted with respect to ground level, and vice versa. The loader (C) comprises sliders (J, K) which run on parallel guides (S) and on which said pipes (A) rest transversally, wherein two or more long pins or bars (P) square to and integral with said sliders (J, .K) are positioned between adjacent pipes (A), and wherein the running of said sliders (J, K) causes the translation of said bars (P) and said pipes (A).
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Comacchio Pasqualino
Comacchio Patrizio
Comacchio Renzo
Andrews David
Themis Law
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