Patent ID: 6779316
Filing Date: 2004-08-24
Classification: E04G,F16B

Abstract:
A safety anchor adapted for providing an attachment point to a wall of a building and attaching a safety tether thereto to support the weight of an adult human, comprising:(a) a center shaft comprising a tether attachment end and a wall piercing end, said wall piercing end having an upper portion having a first diameter and a lower portion inwardly tapering to a sharp piercing point adapted to facilitate the piercing of said wall piercing end through the exterior and interior surfaces of the wall when said anchor is driven into the wall, said tether attachment end including an aperture adapted for coupling to the tether to provide a fall restraint to an adult human coupled to the tether, said center shaft having a tensile strength adapted to support at least the full weight of an adult human; (b) first and second members pivotally coupled to said center shaft between a closed position against said center shaft and an open position extending away from said center shaft, said first diameter of said wall piercing end being equal to or greater than the distance between said first and second members when in said closed position; (c) a collar movable up and down along said center shaft and having an upper portion proximate to said attachment end and having a first diameter, and a lower portion proximate to said piercing end and having a second diameter larger than said first diameter of said upper portion of said collar and said first diameter of said piercing end; and (d) a locking mechanism coupled to said collar for locking said collar to said center shaft and adapted to securely hold said lower portion of said collar against the exterior surface of the wall while securely holding said first and second members against the interior surface of the wall when in said open position and further adapted to thereby sandwich the wall between said lower portion of said collar and said first and second members.