E - Fixed Constructions – 01 – F
Patent
E - Fixed Constructions
01
F
E01F 9/018 (2006.01) E01F 9/011 (2006.01) E04H 12/22 (2006.01)
Patent
CA 2417436
The flush mount breakaway post coupler is a coupler for connecting a post to a ground anchor. The coupler has an upper section and a lower section. The upper section has a socket for receiving a post, a shear section, and an anchor attachment portion for attachment to the lower section. The shear section is hollow and cylindrical and has a groove defined about its exterior so that the wall of the shear section is thin, fracture of the coupler occurring around the annular groove. The lower section is an expansion anchor having a threaded bore for receiving a bolt, the lower section being placed in a tubular ground anchor, or a hole defined in the ground. The socket has a bottom wall, and a cylindrical bore extends through the shear section to a predetermined base in the anchor attachment portion. A bolt hole extends from the base of the bore through the anchor attachment section. A bolt connects the upper and lower sections so that the coupler is wedged into the tubular ground anchor as the bolt is tightened. The coupler is installed with the shear section coplanar with ground level. When the coupler fractures, the socket breaks off, leaving no portion of the coupler above ground, and the remaining annular edge of the shear section and the top surface of the bolt head level with the surface of the ground.
Mcfadden Fincham
Salman Mark T.
LandOfFree
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