Boring or penetrating the earth – With magazine for successively moving unconnected – oriented...
Patent
1995-03-06
1996-06-11
Tsay, Frank S.
Boring or penetrating the earth
With magazine for successively moving unconnected, oriented...
175122, 175203, 175162, 173147, F21B 1914
Patent
active
055247164
ABSTRACT:
A tool driving apparatus having an elongated mast which is collapsibly mounted on a transportable supporting base therefor, wherein the mast has a movable carriage slidably mounted thereon for movement along the length thereof. A first piston is mounted to the supporting base and is drivingly connected to the carriage mounted on the mast for providing slidable movement thereof, and a second piston is carried by the carriage and is drivingly connected to a separate tool, such as a soil probe. The first piston is disposed opposite relative to the second piston, such that extension of the first piston is in a direction opposite to that of the second, and whereby retraction of the first piston and extension of the second piston will cause the tool to be driven in one direction, and extension of the first piston and retraction of the second piston will cause the tool to be retracted in the opposite direction. For transportation of the tool driving apparatus, the mast collapses on the supporting base, which is equipped with wheels for transporting the same.
REFERENCES:
patent: 2849212 (1950-08-01), Robbins
patent: 4020909 (1977-05-01), Airaudo
patent: 4258796 (1981-03-01), Horning et al.
patent: 4606155 (1986-08-01), Bukovitz et al.
patent: 5174389 (1992-12-01), Hansen
patent: 5199507 (1993-04-01), Westmoreland
patent: 5213169 (1993-05-01), Heller
patent: 5263545 (1993-11-01), Tudora et al.
Tsay Frank S.
Wachholz, Inc.
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