| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a mouse structure capable of smoothly rotating a ball of a mouse and thereby not to cause a stress by adopting a structure to press the ball downward from inside a case of the mouse in order to have the ball contacted with a mouse pad and provide a smooth frictional rotation. SOLUTION: In the mouse rotatally engaging the ball in a bottom for operating mainly a pointer on a personal computer screen by clicking right and left buttons, a pressing mechanism to elastically press the ball downward from inside the box of the mouse is mounted.</p> |
