Abstract: A hydraulic setting tool assembly for setting earth anchor and foundation devices comprising side-by-side hydraulic motive members. Each motive members comprises a piston movable within a cylinder. The piston has a piston arm extending out of the cylinder. Movement of a piston under the pressure of hydraulic fluid causes the associated piston arm to extend from or retract into its associated cylinder. A piston arm bearing plate is secured to the extended ends of the piston arms. A cylinder bearing plate is secured to the base of the cylinders. The bearing plates are parallel to each other and an opening is provided in each of the plates midway between the motors so that said openings are aligned for the passage of a threaded rod therethrough. An adjustable nut on the rod restrains one of the bearing plates against movement along the rod while the other bearing plate can move relative to the rod to force an earth anchor or foundation device into the earth.

Abstract: An anchor or foundation apparatus and a method for installing said apparatus in an earthen hole. The apparatus employs pivotally swingable plates which swing in an arc upwardly or downwardly into the surrounding media to fix the device therein. The surface of the plates forced into the surrounding media is provided with oppositely disposed rib means extending along the upper and lower edges of the plates and said rib means serve as media containment means. The media containment means extends the zone of media consolidation and the plane for dislodgement of the device a considerable distance outwardly into the surrounding media. The hydraulic force exerted to swing the plates into the surrounding media is measured, from which the strength of the installation is known.