| 摘要 |
A chair massager comprises a base, a back support to place a user's back and neck thereon when the user is seated in the base. The back support has a cover, first and second ends with the first end fixed to the base. A rider makes a lengthwise reciprocal movement between the first and second ends of the back support, and a lifter liftedly engaged to the rider makes a forward reciprocal movement perpendicular to the lengthwise reciprocal movement. Massage bumps veiled by the cover and attached atop the lifter massage along the user's back and neck by the relative movements of the rider and lifter.
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