| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a mouse that is variable in size and is excellent in portability and operability. SOLUTION: Four wings 22 to 25 are attached to a mouse main body 21. In the wings 22 and 23, turning spindles provided in the inner surface of the wings 22 and 23 are pivotally supported by a left button 11 and a right button 12 respectively, and front sides are respectively opened to the left and right. In the wings 24 and 25, their turning spindles are pivotally supported by an upper case 14 and back sides are respectively opened to the left and right. Projecting parts are respectively provided on the inner surface of the respective wings 22 to 25, and turning angles of the respective wings are respectively maintained at engagement positions in such a manner that the projecting parts are engaged with recessed parts arranged and formed on the mouse main body side. When carried, the wings are closed to be small and when used, the wings are opened to meet the size of a hand.</p> |
