Abstract: A novel foundation system, method of manufacture and method of implementation are disclosed, comprising a simplified cast structure/pile combination strengthened by dispersed steel fibers within the cementious material.

Abstract: A fastener for temporarily fastening a length of wire to the ground includes a U-shaped member having leg portions, a bridge portion bridging the leg portions, and a mount portion arranged at one end of the bridge portion. One of the leg portions has a length greater than the length of the bridge portion, and the mount portion is adapted to receive a visual indicator for identifying the location of the wire. An interior surface defined by the bridge of the U-shaped member captures the wire when the leg portions are inserted into the ground.

Abstract: A system and method for forming changes in elevation in a concrete slab includes one or more channels having substantially parallel bottom and top edges. The bottom and top edges include bent ends and a number of spaced apertures are formed in the bottom and top edges and the bent ends. Braces are inserted into the apertures to support the channel or channels in a vertical position. On or more different type bolt holders are selectively insertable into the channels for holding “J” bolts in a vertical position, parallel to the channels. Connecting elements are included for holding adjacent ends of separate channels together.

Abstract: A device for protection of property against high winds comprising a flexible material of predetermined strength and stretch characteristics, and in the form of a panel or several panels, utilized to protect the side of a structure including its windows and doors from the strong winds and debris impacts occurring during a hurricane. The device is anchored in a manner to space it out from the area being protected according to formula provided, and can safely dissipate substantial impacting energy. The preferred embodiment attaches to an overhanging eave and the ground below protecting in addition to the windows and doors, plantings, outdoor furniture, decorative shutters, downspouts, and such as are enclosed behind the barrier. Several methods of storage and deployment of said curtain are described including rolling, sliding, and converting to awning. The barrier has the added feature of acting as a tie down in certain applications.

Abstract: An anchoring system for a support structure with respect to a floor of a manufacturing facility can include at least one floor anchor plate roughly positioned along a path of travel. A template can be engaged with the floor anchor plate for accurately locating the position of studs to be attached to the floor anchor plate. In the case of two floor anchor plates, the plates are preferably positioned equidistantly along a transversely extending line on opposite sides of the path of travel. The template can define one or more apertures adjacent each of the floor anchor plates for receiving a stud to be attached thereto. A stud can be inserted and guided into position within each aperture to attached to the adjacent floor anchor plate. The elevation of the support structure can be adjusted by turning lower nuts threadingly engaged with the studs.

Abstract: A frame clamp (40) for connecting a ground anchor strap (30) to I-beam (75) of manufactured home (70) includes top jaw (42), bottom jaw (52) and fastening means (60) therebetween. Top jaw (42) has engaging portion (47) on distal end (46) including arcuate bearing surface (49) for bearing against I-beam top flange distal edge (81) responsive to tension in anchor strap (30) such that clamp (40) aligns with anchor strap (30) when anchor strap (30) is not perpendicular to longitudinal axis (79) of flange distal edge (81). Strap (30) attaches to bottom jaw (52) which clamps clamp (40) to I-beam flange (76).

Abstract: A spiral stake includes a handle structure which facilitates transfer of downwardly and torsionally directed forces from a user's hand to the stake during installation in the ground at a selected location. The spiral stake includes a spiral section, and a straight transition section extending between the handle and the spiral section. A portion of the handle contacting the users palm when downward and torsional force is applied thereto presents a convex curvature of suitable dimension and shape characteristics to distribute resistive forces comfortably to the user's hand. In a preferred embodiment, an opposed region of the handle contains a series of indentations forming a grip for the corresponding reception of the user's fingers, resulting in improved ergonomic feel and force-transfer efficiency.

Abstract: A biodegradable ground anchor for use in conjunction with a ground cover. The anchor includes a head portion that has opposite surfaces and a peripheral surface. A pair of integral legs depend away from one of the opposite surfaces. The legs are generally parallel with respect to each other. Each of the legs includes a pair of fins. The distal end of each leg terminates in a point. The ground anchor is made from a polylactide polymer that is biodegradable.

Abstract: A ground anchor for erectly supporting a longitudinal member includes a conduit, and an auger member secured to the conduit and having one or more auger blades to engage into ground. A stabilizer cap is engageable onto the conduit and includes one or more teeth to engage into the ground. A sleeve may be engaged between the conduit and the stabilizer cap, and includes a slot to allow the sleeve to engage onto the conduit. The sleeve includes an inner peripheral shoulder to engage with a peripheral swelling of the conduit, and to limit the movement between the conduit and the sleeve and the stabilizer cap.

Abstract: A mine roof bolt for a grouted bore hole in a roof of a mine. The mine roof bolt includes an elongated member having a cross-sectional diameter less than that of the bore hole, a first end, and a second end. The elongated member has deformations such that axial tension on the bolt results in axial movement between the elongated member and the grout and results in confined compression of the grout between the bore hole and the elongated member surface to facilitate anchorage of the elongated member with grout to the mine rock in which the bore hole is disposed. The mine roof bolt includes a flange disposed adjacent to the second end. A method for supporting a mine roof. A method of making a mine roof bolt.

Abstract: A stake system wherein a stake has two hooks extending from the body of the stake for securing items when the stake is driven into the ground. A complimentary impact device is adapted to receive the stake within a sleeve of the impact device for hammering the stake into the ground. A slot and notch within the sleeve can be used to engage one of the hooks for extracting the stake from the ground.

Abstract: A tie down stake for anchoring small aircraft or other objects to the ground in any soil conditions and which consists of a central hub with an eyelet and arms which extend away from the hub. At the opposite end of each arm consist of holes that serve as stake guides for directing a plurality of anchoring rods at a fixed angle downward and inward into the ground. Thus joined by the arms and hub, the anchoring rods cooperate together to form a secure earth anchor. Also disclosed is a rod extraction tool.

Abstract: A rigid support is disclosed for attaching a Network Interface Device thereto. The support has an elongate shape with an upper end and a lower end. The support also has means for sliding a ground plate along the support. The support is driven into the earth, and the ground plate is longitudinally adjustable along the support to vary the height of the ground plate above the earth. The ground plate is for connection to electrical ground.

Abstract: A ground retention apparatus is provided for deterring the theft of services from an outdoor pedestal. The ground retention apparatus includes a ground stake having a first end attached to the pedestal and a second end opposite the first end for engaging the ground beneath the pedestal. The ground retention apparatus further includes a stop plate secured to the ground stake medially between the first end and the second end. The stop plate defines a hinge line separating a lower portion that is stationary and an upper portion that is movable relative to the lower portion between a first position wherein the upper portion is generally parallel to the lower portion and a second position wherein the upper portion is angled relative to the lower portion. The stop plate prevents the ground stake from being removed from the ground, thereby deterring unauthorized access to the equipment inside the pedestal.

Abstract: A soil reinforced retaining wall for an earthen embankment is formed by screwing nails into the embankment at spaced intervals. The nails have helical threads extending therearound of such proportion and pitch as to screw into the formation as the nails are driven into place with a vibratory hammer, without prior boring of the embankment to accommodate the nails, or the necessity of cementing the nails into place. The wall is constructed from the top down and face panels are progressively assembled over the embankment and secured in place by the nails. In a preferred embodiment the nails have an elongate tubular body of a polyhedral cross-section and the threads are formed by twisting the body about its longitudinal axis.

Abstract: Ground anchor designed to be screwed into the ground, comprising a shaft (3), whose upper end (8a) is provided with a bearing part (8) that can be placed on the ground, and a manipulation device (9). Said anchor has several screw-thread blades (5, 6, 7) consisting of a flat material, which spiral around the shaft (3), are arranged along the shaft (3) at a distance from one another in an offset manner, and respectively consist of a screw thread with upper and lower blade ends (11, 12). The length of the thread of the individual blades (5, 6, 7) slightly exceeds 360°, so that the perimeter of the blade ends (11, 12) overlaps, forming a cutting gap (11a) that is delimited by a plane on its upper and lower borders. The exterior diameter of the blades (5, 6, 7) decreases from blade to blade from the bearing part (8) down towards the lower end of the shaft.

Abstract: The collapsible land anchor of this invention includes an anchor body, a drive anvil coupled to the top end portion of the anchor body, and a runner member that is slidable longitudinally through the drive anvil between an operative position and a collapsed position. A retraction anvil is coupled to the top end portion of the runner member, and a hammer weight is carried on the runner member. In its operative position, the runner member extends beyond the drive anvil away from the cavity of the anchor body to space the drive anvil apart from the retraction anvil. Also in the operative position, the hammer weight is slidable along the runner member into the drive anvil to drive the anchor body into the ground. In the collapsed position, the runner member is displaced towards and at least partially stowed in the cavity of the anchor body.

Abstract: A multi-legged ground-anchoring device is provided for securing objects to fixed points. The device comprises a central hub from which a plurality of legs extends. At the distal end of each respective leg is a foot for the receipt of a spike. The spikes may be driven into the ground at a predetermined angle as dictated by the angle of each foot. When physically connected to the object being secured, nay force acting on the central hub of the device initiates a rotational movement of the legs which forces the spikes to dig deeper into the soil and hold the device more firmly to the ground.

Abstract: A fastening system is invented for fasten the soil nails (which are used in cut areas) and the reinforced retaining structures (which are used in fill areas). The system is to connect the two and form an integrated body to prevent sliding plane passing through the interface of the two. The fastening system includes coupling elements, struts, flanges, steel pipes, cables, annular sleeve and clamps.

Abstract: An anchor system for flexible marker posts comprises an anchor that receives a post before the anchor is driven into the ground. In one version of the anchor system, a V-shaped configuration folded along two longitudinal side axes and one lower lateral axis. This version has front and rear plates, and the rear plate has and combines with two flanges to define a narrow pocket that receives the post. The post is secured in the pocket by deforming the pocket with punches. The anchor is retained in the earth by mechanical interference and friction. Additional embodiments include plates that are pre-bent into a V-shape, tabs for maintaining separation of the plates, and a one-piece anchor having a V-shaped lower portion and coplanar, horizontal, upper surfaces connected to the upper edges of the lower portion.

Abstract: One preferred embodiment of an improved concrete anchor designed in accordance with the present invention for embedment in a concrete panel or the like includes an elongated bar having substantially flat parallel faces, an inner end disposed within the panel, an outer end disposed within a recess in the surface of the concrete panel and side edges extending between the faces. The side edges extend in continuously diverging relationship from adjacent the outer end to adjacent the inner end. In accordance with another embodiment, the preferred concrete anchor includes an elongated bar having substantially flat parallel faces; an inner end disposed within the panel; an outer end disposed within a recess in the surface of the concrete panel; and side edges, preferably substantially straight, which extend in a substantially parallel relationship between the faces. The outer end includes spaced, outwardly-projecting extensions disposed adjacent the side edges of the bar and, preferably, an elongated opening.

Abstract: A frame designed to hold worn or broken historical tombstones together indefinitely. The preferred stainless steel frame includes an integrated back panel on which the original inscription is engraved, thereby preserving the original inscription that may have faded due to age and weather to the point of illegibility.

Abstract: A stake assembly includes a spike having a first end and a second end defining a longitudinal axis of the stake assembly. A flange is connected at the second end of the spike and extends laterally therefrom and defines the upper end of the substantially inflexible portion of the stake assembly. A resilient fastening member is connected to the spike, extends upwardly therefrom and is resilient in both lateral and longitudinal directions. A controlling member is connected to the spike, extends upwardly and is connected to the second end of the resilient fastening member. A tether or leash may be fastened to the second end of the resilient fastening member.

Abstract: A tie-down apparatus for building structures, including mobile homes. The structure is constructed with a plurality of structural members including channel members disposed therein. In one embodiment, channel members are formed in both the roof structural members and the sidewall structural members. A tie-down cable is disposed within the channels and the two terminal ends thereof releasably engaged with hooks. The hooks are further attached to ground anchors located within the ground adjacent structural sidewalls. A tensioning mechanism is disposed near one terminal and of each of the tie-down cables for simultaneously applying a tensioning force to the tie-down cables, that in turn directs a downward force on the roof structural members thereby retaining the roof in place during high wind conditions.

Abstract: A helice pier post used for rotating into a ground surface for holding various structural items upright on the top thereof. The structural items may be a light post, a fence post, a building beam or column, a pier, a sound barrier and like items. The helice pier post broadly includes a top mounting plate, a hollow tubular casing, a first pipe shaft with a first helice mounted thereon. The mounting plate is welded to a top portion of the tubular casing. Also, the plate is welded to an upper end of the first pipe shaft. The first pipe shaft is centered inside and disposed along the length of the casing. An outer diameter of the first helice can be welded to an inner diameter of a bottom portion of the casing. A lower end of the first shaft can be coupled to an upper end of the second pipe shaft. A lower end of the second pipe shaft is attached to the second helice.

Abstract: An anchorage such as a tent peg comprises a hook for attaching a guy rope, a tapered end, two or more spikes remote from the tapered end for inserting into the ground and a generally flat body between the spikes and the tapered end. The flat body is designed to be easily stamped into the ground by foot and to lie flush with the ground during use. A finger hole may be provided for easy removal of the anchorage from the ground after use.

Abstract: A support for layout lines utilized in laying out construction sites. The support is slidably carried on a stake and includes a clamping bolt to fix it in position on the stake and to allow it to be moved along the stake for adjustment purposes. The support includes a transit pole tab, on which the bottom of a transit pole can be placed for positioning purposes, and a tab for supporting a layout line platform. A clamping member, such as a thumbscrew, is carried in a bracket and overlies the platform to allow the thumbscrew to clamp the layout line in position against the upper face of the platform, which can include a groove or slot for receiving the layout line. The upper surface of the transit pole tab lies in the same plane as the upper surface of the layout line platform.

Abstract: Tethering stakes of the nature intended to be pounded flush with or below ground level. Certain of the tethering stakes include a cap on the pounding end which is adapted for ease of placement and release of a tethering line. Accordingly, the tethering line can be removed from the stake when it is to be pounded into the ground and then engaged with the stake only when tethering is desired. Certain of the embodiments include caps having uniquely shaped apertures for securing the tethering line. Another includes an aperture in communication with an aperture in the stake such that a lead cable or the like may be moved out of the way when the stake is pounded into the ground and may be fully received within the stake when tethering is not desired. Another embodiment employs a coupler passing through an aperture directly beneath the pounding surface to facilitate ease of attachment and removal of the tethering line.

Abstract: An elongated pilot member is forced into the ground and an auger with a hollow stem is positioned around the pilot member and rotated to move the auger into the ground. A second elongated member is coupled to the pilot member and an upward force is applied to the auger stem or to an extension thereof to enable a downward force to be applied to the second elongated member to force the second elongated member and the pilot member into the ground. The second elongated member and the auger stem then are attached together and to a foundation support member for providing support for a foundation.

Abstract: According to the preferred embodiments of the present invention, an apparatus and method for suspending rebar is disclosed. The rebar isolator of the present invention comprises a pointed metal spike or stake with one or more hollow-bodied rebar supports. Each of the hollow-bodied rebar supports has a support arm which supports the horizontally-positioned rebar. In addition, the spike or stake portion of the rebar isolator has a number of crimped zones which prevent the support arms from shifting downward or rotating in place when the concrete is poured over the horizontally-positioned rebar. The number of crimped zones corresponds to the number of hollow-bodied cylindrical rebar isolator supports and one crimped zone is located immediately below each of the support arms.

Abstract: There is disclosed a security anchoring device attachable to a sign or the like and anchorable to the ground to prevent or discourage theft and vandalism. According to one aspect of the invention, the security anchoring device includes a coupling member mountable to a member of the sign and also mountable along the shaft of a ground anchor. The ground anchor preferably has a tool engagement portion at its distal end that allows the ground anchor to be coupled to a power tool to drive the anchor into the ground.

Abstract: A foundation stabilization system is disclosed for bracing a manufactured home on its foundation of the type which includes a plurality of vertical piers spaced in longitudinal and lateral directions relative to a longitudinal axis of said home which support the home above the ground, and at least one elongated brace connected between the mobile home and base portion of the pier. The system includes foundation plate having a lower ground contact surface for contacting the ground, and an upper pier support surface on which the pier is supported. Anchor slots are formed in the foundation plates for receiving ground anchors extending through the plates into the ground. The anchor slots including first slot segments extending in the longitudinal direction of the manufactured home when supporting the piers and second slot segments extending in the lateral direction. The first and second slot segments intersecting each other at a predetermined angle.

Abstract: The collapsible land anchor of this invention includes an anchor body, a drive anvil coupled to the top end portion of the anchor body, and a runner member that is slidable longitudinally through the drive anvil between an operative position and a collapsed position. A retraction anvil is coupled to the top end portion of the runner member, and a hammer weight is carried on the runner member. In its operative position, the runner member extends beyond the drive anvil away from the cavity of the anchor body to space the drive anvil apart from the retraction anvil. Also in the operative position, the hammer weight is slidable along the runner member into the drive anvil to drive the anchor body into the ground. In the collapsed position, the runner member is displaced towards and at least partially stowed in the cavity of the anchor body.

Abstract: An anchor system for flexible marker posts comprises an anchor that receives a post before the anchor is driven into the ground. In a first embodiment, a flat, rectangular plate of mild steel is folded into a U-shape with parallel upper and lower plates. The lower end of a post is placed within the anchor, and the anchor is driven into the earth with a bladed driver, the anchor bending into a V-shape along an axis defined by the blade of the driver. The anchor retains the post with friction, and the anchor is retained in the earth by mechanical interference and friction. Additional embodiments include plates that are pre-bent into a V-shape, tabs for maintaining separation of the plates, and a one-piece anchor having a V-shaped lower portion and coplanar, horizontal, upper surfaces connected to the upper edges of the lower portion.

Abstract: A screw form anchor device (10) intended for screwed penetration into a host material. The anchor device (10) includes a body (11) having a manipulating end (12) and a distal end (13). A screw thread (22) is formed by a plurality of tapering angular helix thread forms (22a) which extend from the distal end. Each angular helix thread form (22a) has an outward facing surface (24) and, relative to the distal end, a downward facing surface (25). In the preferred form an emergent helix thread (26) commences from a point distant from the distal end (13). This emergent helix thread (26) extends toward the manipulating end (12) of the body (11).

Abstract: A stake assembly includes a spike having a first end and a second end defining a longitudinal axis of the stake assembly. A flange is connected at the second end of the spike and extends laterally therefrom and defines the upper end of the substantially inflexible portion of the stake assembly. A resilient fastening member is connected to the spike, extends upwardly therefrom and is resilient in both lateral and longitudinal directions. A controlling member is connected to the spike, extends upwardly and is connected to the second end of the resilient fastening member. A tether or leash may be fastened to the second end of the resilient fastening member.

Abstract: A low impact foundation system requiring little or no excavation, and allowing for the preservation of the soil and drainage characteristics of the site upon which it is erected. The system utilizes small obliquely driven piles in combination with a pre-cast component designed to engage a standard foundation wall.

Abstract: In a slope stabilising means, a single borehole (4) comprises both a ground anchorage (7) and a soil nail means (18), comprising a tensile member bonded to the bore grout along substantially its whole length. The slope stabilising means has the advantage of allowing the ground to be pre-stressed using the ground anchorage means (7). However, the active zone of the ground (2) is also stabilised by the soil nail means (18), which allows a lighter facing structure (24) to be used than is normal with ground anchorage means. Economy of operations is obtained, as a number of items are included in a single borehole.

Abstract: A land anchor for use with a winch and cable assembly affixed to a vehicle to pull the vehicle when immobilized having a fluke formed by wings shaped to penetrate into the ground and shaped to keep the fluke level during penetration into the ground, and a removable stock assembly attachable to the fluke. The fluke is provided with a stock assembly mount having a tubular member provided with a parallel slot extending through one side of the tubular member. The tubular member is fixedly attached to the rear thrust end section of the fluke with the slot being positioned to permit the stock assembly to be received by the stock assembly mount. The stock assembly has an engaging member shaped to engage and fix the stock assembly to the stock assembly mount.

Abstract: A breakaway signpost connector for attaching a sign support member to an anchor member. The connector includes a shear member having a first end, a second end, and a necked-down section between the first and second ends. A spring surrounds the shear member and supports the necked-down section.

Abstract: The collapsible land anchor of this invention includes an anchor body, a drive anvil coupled to the top end portion of the anchor body, and a runner member that is slidable longitudinally through the drive anvil between an operative position and a collapsed position. A retraction anvil is coupled to the top end portion of the runner member, and a hammer weight is carried on the runner member. In its operative position, the runner member extends beyond the drive anvil away from the cavity of the anchor body to space the drive anvil apart from the retraction anvil. Also in the operative position, the hammer weight is slidable along the runner member into the drive anvil to drive the anchor body into the ground. In the collapsed position, the runner member is displaced towards and at least partially stowed in the cavity of the anchor body.

Abstract: A pier support system comprises a support pier with a load-spreading plate that is laterally braced at the top to an anchor plate pinned to the ground just under the periphery of a modular building. The support pier is placed directly under the support girders of the modular building at critical points, and the lateral bracing runs outboard at a down angle of 35°-55°. Sufficient working room exists just inside the periphery of the modular building for large pinning rods to be driven into the ground through the anchor plate.

Abstract: An improved structural reinforcement bar for use in poured concrete construction has an anchorage plate fixed to a rebar body through friction welding. The friction welded rebar body and anchorage plate result in a structural reinforcement bar with improved axially oriented tensile load transfer capabilities having minimal space requirements.

Abstract: A barrier cable end bracket assembly for attaching a plurality of barrier cables to a concrete support column has a cable mounting bracket for supporting the plurality of barrier cables, and an opposing rear mounting plate for locking the cable mounting bracket onto the concrete support column. The assembly further includes a sleeve for positioning through the concrete support column, an anchor rod having a proximal end and a distal end, a first nut for anchoring the proximal end to the cable mounting sidewall, and a second nut for anchoring the distal end to the rear mounting plate.

Abstract: An umbrella with an integral anchoring structure is provided. The umbrella includes a post having a lower end for insertion into the ground, and an upper end for supporting an umbrella top. The umbrella includes an integral spiral shaped anchoring structure formed on the lower end of the post. The anchoring structure is formed with a width, W, greater than a diameter of the post and a length, L, which is adapted to stabilize a weight of the umbrella and secure the umbrella and the post in a variety of earthen conditions such as sand, lawn, and soil even in a prevailing breeze or stormier conditions. The umbrella further includes one or more retractable levers integrally attached along the post.

Abstract: The stabilization system includes a foundation platform (16) that supports a pier (18), with the pier in turn supporting the joists (12) of a premanufactured building structure (10). Cleat walls (25-28) at the edges of the central body portion of the foundation platform extend into the ground. Struts (46, 47) are sloped upwardly from the foundation platform for connection to an adjacent joist. The weight of the building structure and the cleat walls prevent the foundation platform from horizontal movement. Thus, horizontal movement of the building structure is resisted without the application of horizontal forces to the pier.

Abstract: A post anchor comprising a ground engaging portion in the form of fins and a post receiving portion in the form of deflectable collets that are clamped against a post by a clamping member. A damaged post can be easily replaced by removing the clamping member, replacing the post and reapplying the clamping member.

Abstract: A tubular anchor includes a tubular member (1, 21) with a drilling head (2, 22) at one of its end, a load application element (3) extending along a portion of the tubular member opposite the one end, opening (5, 23) provided in a region of the drilling head. The tubular anchor also includes at least one, substantially cylindrical, hollow element (7, 24, 25) for receiving a mortar mass (4, 37, 38) and closed, at its opposite ends, with two displaceable pistons (8, 9; 31, 32, 33, 39), respectively, with one of the pistons being received in a piston-receiving region of the at least one mortar-mass receiving element and facing in a setting direction (S), (6, 35) and at least one through-opening (11, 34) spaced from a free end of the piston-receiving region (6, 35) by a distance (a, b) corresponding at least to a length (l) of the piston (8, 32) received therein.

Abstract: An anchor device comprising an elongated insert which has a lower end, an upper end, and a plurality of rib members extending radially therefrom, each of said rib members having a radial width which increases gradually in a direction from said lower end to said upper end of said elongated insert; an attachment seat integrally connected to said upper end of said insert and upper edges of said rib members; a metal shaft embedded longitudinally in said elongated insert, said metal shaft having an upper end which is embedded in said attachment seat, and a lower end which extends out of said lower end of said insert; and wherein said lower end of said metal shaft is tapered.

Abstract: A screw-type, in-ground anchor device for anchoring an above-ground upright. A generally cylindrical drive shaft includes an upper cylindrical housing portion constructed of ¼-inch rolled steel with an inside diameter sized to match the outside diameter of the upright. A conical portion connects the upper housing portion to a lower tip portion. The surface of the conical portion has a slope of less than 20 degrees, and preferably in the range of 5-10 degrees. A set of screw threads (flightings) are attached to the tip portion and have a diameter that is approximately equal to or less than the diameter of the upper housing portion. The flightings operate in soil to screw the anchor device into the ground when the device is rotated. The conical portion outwardly compresses the soil that is disrupted in the wake of the flightings. Since the flightings have a diameter approximately equal to or less than the diameter of the upper housing portion, soil surrounding the drive shaft is not disrupted.