Patent ID: 8192379

Claim:
A single-motor massager comprising: a base having a top surface having two ends; and two sides; and two gear racks mounted respectively on the two sides of the top surface of the base and being parallel to each other; a carriage mounted movably on the top surface of the base; a gear shaft assembly mounted on the carriage, mounted movably on the gear racks of the base and comprising a rod mounted rotatably on the carriage, mounted across and being perpendicular to the gear racks of the base and having two ends; two gears attached securely respectively to the two ends of the rod and engaged with the gear racks of the base; and an inclined gear mounted securely around the rod and having inclined teeth; a massage assembly mounted on the carriage and comprising a main gear drive connecting to the gear shaft assembly and having an inclined gear engaging the inclined gear of the gear shaft assembly; a rod driving the inclined gear of the main gear drive; and a gear mounted securely around the rod of the main gear drive and having a top surface; and a main massaging device connecting to the main gear drive and being rotated by the rod of the main gear drive; and a motor mounted securely on the carriage and having a worm rod extending out of the motor and meshed with the gear of the main gear drive.