Patent ID: 8414510

Claim:
A massage device, comprising: (a) a base cover, the base cover having a longitudinal axis, a first end portion and an opposite, second end portion, and two slots located at the two opposite lateral sides of the first end portion; (b) an up-down movement mechanism engaged with the base cover; (c) a kneading mechanism engaged with a base of a movable module, the kneading mechanism having a pair of massage heads, the base of the movable module being engaged with the up-down movement mechanism so that the movable module can be driven up and down along the longitudinal axis of the base cover; (d) a massage head distance adjustment mechanism, having: (i) a first motor; (ii) a first worm coaxially connected to the first motor; (iii) a first worm wheel meshing with the first worm; (iv) a first gear meshing with the first worm wheel; and (v) a pair of second gears, one of the second gears meshing with the first gear, and the pair of second gears meshing with each other; wherein, in operation, the first motor drives, in sequence, the first worm, the first worm wheel, the first gear, and the pair of second gears, thereby causing the pair of massage heads to move along a corresponding pair of arc-shaped slots located on the base of the movable module, thereby adjusting the distance between the two massage heads; and (e) a massage head up-down position adjustment mechanism, having: (i) a pair of top bars, each top bar having a portion defining a hole; and (ii) a top beam having two opposite end portions, each end portion having a cylindrical member; wherein each cylindrical member of the top beam is received by the hole defined by the corresponding top bar; and wherein each top bar is received by the corresponding slot located at the corresponding lateral side of the first end portion of the base cover.