Patent ID: 7534073
Filing Date: 2009-05-19
Classification: E02D

Abstract:
1. An earth anchor comprising a substantially cylindrical main body having leading and trailing ends and a top and bottom, a longitudinal axis, an outturned lip at the trailing end, a raised rib extending from a top of the main body portion radially outwardly thereof having a leading surface and defining an attachment point for attachment of a tension member, at least one first generally plate-like member extending from a leading end of the main body terminating in the leading edge spaced from the main body and having top and bottom edge surfaces, the leading edge comprising a plurality of individual chiseled edge sections stepped back towards the main body from an adjacent axially outwardly positioned edge section and extending substantially normal to the longitudinal axis outwardly from the adjacent edge section, the stepped back edge sections lying to either side of a plane parallel to a longitudinal plane intermediate the top of the main body from which the rib projects and a bottom of the main body lying opposite the main body from the rib, the first generally plate-like member having a top edge surface extending from the radially outermost chiseled leading edge back towards the main body aligned with a leading surface of the raised rib, at least one rib lying on each side of the main body intermediate the top and bottom extending from at least the leading end of the main body to the trailing end of the main body, the side ribs being substantially V-shaped in cross-section normal to the longitudinal axis and each having a single chiseled leading edge.