Joint structure for multiple window

Details Joint structure for multiple window Joint structure for multiple window

E - Fixed Constructions

06

B

108/63

E06B 1/64 (2006.01) E06B 1/02 (2006.01) E06B 1/36 (2006.01) E06B 3/68 (2006.01)

Patent

CA 2005169

ABSTRACT OF THE DISCLOSURE A joint structure for joining two adjacent window frames includes a mullion body disposed between two opposed vertical frame members on the interior side of the window fames and connected to the vertical frame members by a pair of screws extending loosely through a pair of horizontal oblong holes, respectively, in the mullion body and threaded to the vertical frame members, and an elastic backup member disposed between the vertical frame members on the exterior side of the window frames. The vertical frame members and the mullion body disposed therebetween are relatively mova- ble in a horizontal direction within an extent of movement of the screws along the horizontal oblong holes and within a limit of extent of elastic deformation of the elastic backup member. With this horizontal relative movement, thermal contraction and expansion of top and bottom horizontal frame members is accommodated or canceled out which would other- wise result in a bending of the vertical frame members.

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