Patent ID: 7954289

Claim:
An anchor for fastening an elongate member into a substrate, said elongate member having a foot of substantially constant cross-section, characterised in that said anchor comprises: at least one elongate collet having an inward face shaped to fit along and around a section of said foot; and an elongate housing having an internal cavity shaped and dimensioned to house said at least one collet and said foot in combination; wherein said at least one collet each has a top end and a bottom end, said top end and bottom end being spaced to be positionable near a top and bottom of said internal cavity in said housing, and an outward face which tapers inwardly from said top end towards said bottom end in a first tapered portion near said top end and in a second tapered portion near said bottom end, and wherein said internal cavity of the housing tapers inwardly in a corresponding first and second portion, and wherein said outward face of each said collet is untapered between said first tapered portion and said second tapered portion and said second tapered portion; whereby in use downward pressure on a said collet can create wedging contact between said outward face and said housing near said top end and near said bottom end and wherein substantially no wedging contact occurs between the collet and the housing between said first and second tapered portions.