| 摘要 |
PURPOSE:To increase the attractiveness of a building by eliminating a transom bridged over an opening. CONSTITUTION:A wrapping transmission member 2 is bridged between two columns 1a and 1b installed at both ends of an opening of a building along the upper edge of the opening, FL rail is provided along the upper edge of the opening, a drive device is installed in the columns 1a and 1b so that the wrapping transmission member 2 can be moved horizontally along the upper edge of the opening, a door 4 is suspended from a rail 3 and connected to the wrapping transmission member 2, and the opening part is opened and closed by the movement of the wrappind transmission member 2. Also the drive device is provided with a drive pulley 7 which is rotated by a motor 5, etc., installed in the column 1b, an auxiliary pulley 8 installed in the colunm la and a guide pulley 9 which guides both ends of the wrapping transmission member 2 to a drive pulley 7 side or an auxiliary pulley 8 side and are installed inside or outside the column at the upper side of the two columns 1a and lb. |
