| 摘要 |
<P>PROBLEM TO BE SOLVED: To secure safety, maneuverability, and mounting strength by making a volume knob not come off unintentionally, to reduce the number of components without mounting a cover, and to reduce the costs. <P>SOLUTION: In a volume device (1) having a function for performing volume adjustment by mounting a volume knob 2 to an electronic part (3) having the volume knob 2 and volume function, and operating a volume knob 2, the knob is so constructed to be mounted by an insertion system to the electronic part. The process of inserting the knob into the electronic part 3 comprises two insertion steps of inserting the knob into the electronic part and rotating the knob 2 to some extent and inserting the knob 2 further. <P>COPYRIGHT: (C)2010,JPO&INPIT |
