| 摘要 |
Subject: anchor for the protection of construction works against earthquakes and winds. Constitution: cast-iron seating base 7 bearing a screw 4 enclosed by a spiral screw 5 having handles 6, a base 2 seated on the screw 4 and rotating via a ball-bearing. All this construction is traversed by a wire rope 9 the one end of which is calked on the base 2 via screws 3, the other end ends to a stem 17 bearing perimetrically wings 10,12,13,14 deployable around the stem 17 with the assistance of bars11 axially connected via pins around the foregoing stem. Embodiments: in buildings, wooden houses,buildings sensitive to storms, cable-stayed bridges, ground slopes etc. |
