Importance

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Abstract

A method of attaching curtain wall units to a building skeleton framework wherein a supporting unit of each connector assembly and a lowermost connecting device are secured to the building skeleton framework while they are positioned in all of the so-called 'in-face' direction, the so-called 'out-of-face' direction and the vertical direction, and a retaining unit of each connector assembly is secured to the upper edge of each curtain wall unit. Thereafter, the retaining unit of a lowermost curtain wall unit is brought into engagement with the corresponding support member, while at the same time, a positioning pin on the lowermost connecting device is fitted with a pin-guide hole in the lowermost curtain wall unit. The lowermost curtain wall unit is then fastened to the building skeleton framework. Subsequently, a pin-guide hole in an upper curtain wall unit is fitted with a positioning pin on the retaining unit of the lowermost curtain wall unit to position the upper curtain wall unit in the in-face and out-of-face directions, while at the same time, the retaining unit of the upper curtain wall unit is brought into engagement with the corresponding supporting unit. Curtain wall units for the succeeding stories are attached to the building skeleton framework successively one above another by repeating the same operation as done with the upper curtain wall unit.

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First Claim