PURPOSE: To prevent a change of the adjusted posture of a curtain wall even in the case where the bolt fastening torque is increased. ;CONSTITUTION: A fastener main body 3 is fixed to a building frame side reinforcing fitting 2 fixed to a slab 1, and a curtain wall 4 is fixed to this fastener main body 3. The fastener main body 3 consists of a seat part main body 3a and a wall fitting part 3b. A part of the wall fitting part 3b, which abuts on the curtain wall 4, is projected circularly, and a fitting hole 3e is opened horizontally in this circular arc part 3d. A washer 12, which has a circular arc cross section in the vertical direction and of which one surface 5 can be engaged with the circular arc of the inner surface of the circular arc part 3d, abuts on the inner surface of this circular arc part 3d, and the washer 12 can be slid in the vertical direction along the inner surface of the circular arc part 3d.;COPYRIGHT: (C)1994,JPO&Japio
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