| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a top-hinged door device with a sub door to be closed in the condition that the top-hinged door is closed, completely preventing damages and troubles by making the sub door closeable even in the condition that the top-hinged door is closed, although the top-hinged door is conventionally closed after the sub door is closed. <P>SOLUTION: The top-hinged door device with the sub door uses the top-hinged door having self-closing function and the turnable sub door having an end on the side of the top-hinged door as a free end for closing a doorway. It comprises a forcibly opening means for imparting opening force to the closed top-hinged door to open it to a predetermined position against the self-closing force of the top-hinged door in linkage with the closing motion of the sub door at a predetermined position and for releasing the opening force when the sub door is closed. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
