| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide folding type doors provided with hanging weights to make the doors ready to automatically close by the doubled load of the weights, and easy to open resisting to this load, and provided with a cover to conceal the opening/closing mechanism for preventing troubles such as hands being caught between doors by mistake and offering better appearance. <P>SOLUTION: A base door 1 axially supported within an open frame is connected with a single or a plurality of auxiliary doors 2 so that these doors 2 may open or close orderly between their connections. A hanging weight 4 is provided at one or both of the adjacent doors. Pulleys 8, 9 are also provided to allow the weights to give the impetus of their doubled load to the adjacent door ends in their closing direction. Further a guide rail 48 is installed to conceal the wiring of pulleys 8, 9 by engaging with the sliding end of a finger injury preventive rail 10. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
