| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a PTT switch structure of radio communication device which is easy to assemble, superior in design, capable of reducing size and securing high waterproofing performance. <P>SOLUTION: An operation lever installation recess 31 is provided on the wall face of a front casing member 3 that constitutes at least a part of the casing 2, and a tact switch (momentary switch) operating hole 33 is provided at the portion facing the tact switch 7 on the bottom 32 of this operation lever installation recess 31, and this tact switch operating hole 33 is sealed by an elastic water-proof material 6. The operation lever 5 is pivotally fitted so that an operating part 51 is inserted into the operating lever installation recess 31, and by the insertion, the other end of the operation lever is pivotally held at the pivoting part arranged inside recessed part 31 for mounting the operation lever, so as to make the other end freely rotate with a prescribed stroke width around the one end side as a center. <P>COPYRIGHT: (C)2004,JPO</p> |
