| 摘要 |
<p>PROBLEM TO BE SOLVED: To facilitate attachment and detachment of a cover sheet, to be performed plural times in a day, by using a sheet having heat insulating properties for a base cloth, and tapering the base cloth so that a back side supporting flap part is inserted easier than a cover main body flap part formed by a fold to be hooked on a supporting bar. SOLUTION: A sheet main body is composed of a cover body flap part 1 and a back side supporting flap part 2, a fold part 3 is formed of V-shaped cuts 4, 4 from both sides, and the back side supporting flap part 2 is formed of inclined sides 5, 5 so as to be tapered from both sides. The back side supporting flap part 2 can be easily inserted by the inclined sides 5, 5. A narrow cover sheet (a) formed by the cuts 4, 4 is hooked on a sheet supporting bar 10 at the fold part 3 and attached. Fixing flaps 11, 11 on both ends of the sheet supporting bar 10 are fixed on the upper edge of an outer frame structural body of a window glass by screws.</p> |
