| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a drain screw with a simple structure, allowing easy processing of oil captured by a filter by easy operation without impairing design of a range hood. <P>SOLUTION: A part of an oil reservoir 16 is formed with a screw fixation part 17 formed with an outlet 18. The drain screw 20 comprises: a screw body 21 screawably and unscrewably installed to the screw fixation part 17; an oil drain port 22 formed in the center of the screw body 21; and a communication hole 23 formed in the screw body 21 to communicate the oil drain port 22 with the inside of the oil reservoir 16 through the outlet 18. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
