| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a ball massager which massages the occipital cervical spines, back, and waist of a user, prevents itself from slipping owing to the weight of user's head, and can change the massaged position halfway through the massage by changing the space between a ball and a ball.SOLUTION: By adding elastic members 7 to two or more balls and covering them with housing members 6, slipping of a ball massager is prevented when being in use to cervical spines. Moreover, a slit 8 is provided on the center between the first ball 1 and the second ball 2 which are used at the massaged positions. Thereby, the ball massager is structured so as to be enabled to move the two balls to the inside or the outside, enlarging its massaging area.</p> |
