| 摘要 |
A massaging machine has massaging balls, ball supporting arms for supporting these massaging balls, a first rotary shaft and a second rotary shaft that have mutually parallel axes of rotation at different heights, an eccentric part on the first shaft that is eccentric with respect to its axis of rotation, a sloped part on the second shaft that is sloped with respect to its axis of rotation, a support arm with one end part attached to the ball supporting arm and the other end part attached to the sloped part, and a link that connects the eccentric part with the support arm. The support arm has a bearing with a spherical surface. The link has a spherically shaped end part that engages with the bearing. The ball supporting arms are attached to the support arm at a height between the heights of the first and second rotary shafts.
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