| 摘要 |
A rolling massage device continuous motion reciprocal drive structure comprised of a long drive shall, the two end of which arc pivotably installe d in a base plate that is also inserted through the center section of a sleeve hole at the lower extent of a bottom mount, and a massage device sleeved over the center section of the drive shaft. The center section of the drive shaft consists o f a clockwise spiral slide tracking groove and a counter-clockwise spiral slide tracking groove in a crisscross arrangement and, furthermore, completes a two-ended cycling crossed bi-directional screw rod. The upper extent of the center section area of the bottom mount sleeve hole provides for the implantation and sleeving in of a cylindrical active link block having a double hyphen- profiled guide plate extending from its lower end that is inserted into the slide tracking groove s. As such, while the drive shaft is being rotationally driven in a set direction, since the guide plate in the groove is forced to follow in the direction defined by th e interior section of the track path, the bottom mount equipped with massage components at its top surface is carried into continuous motion in an axial direction and, furthermore, achieves continuously driven reciprocal travel following the crisscross configurationof the clockwise slide tracking groove and the counter- clockwise slide tracking groove on the crossed bi-directional screw rod, whi ch is among the innovative features of the present invention.
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