| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a drop bar mounting structure enclosing the greater part of a drop bar inside a gate door panel in a double-opening gate door and inhibiting the operation of the drop bar when the gate door panel is closed. <P>SOLUTION: The gate door panel 4 in the double-opening gate door with the drop bar is provided with a vertical frame 43 at the end that faces a gate door panel 3, and the vertical frame 43 is formed with a groove part 44 inward from the end face that faces the gate door panel 3. A holder 7 with the drop bar 5 inserted through is enclosed in the groove part 44, and a knob part 51 is protrusively formed at the side face of the drop bar 5. The knob part 51 is formed to project outward from an open face of the groove part 44 when moving into a vertically movable position from a locked position locked to a predetermined height. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
