Patent ID: 7081100

Claim:
A lie-down massager, comprising: a) a base frame having an elongated top panel, wherein an elongated top opening is formed centrally and lengthwise through the elongated top panel; b) a rider provided below the elongated top panel of the base frame; c) a guide member movably engaged between the base frame and the rider so as to enable the rider to make a horizontally reciprocal movement relative to the base frame; d) a lifter having a top plate and a bottom plate, a first link assembly, and a lifter motor, wherein the top plate has a top upper surface portion and a top lower surface portion, wherein the bottom plate has a bottom upper surface portion and a bottom lower surface portion, wherein the first link assembly comprises a gear shaft rotatably attached to the bottom plate, a link gear fixed to the gear shaft, a low link fixed to the gear shaft, a high link connecting between the low link and the top plate, wherein the lifter motor rotates the link gear of the first link assembly either clockwise or counterclockwise direction, whereby the rotation of the link gear lifts or lowers the top plate, wherein the lifter further comprises a second link assembly, the second link assembly comprises a gear shaft rotatably attached to the bottom plate, a link gear fixed to the gear shaft, a low link fixed to the gear shaft, a high link connecting between the low link and the top plate, wherein the link gear of the first assembly and the link gear of the second link assembly are positioned symmetrical with each other, whereby when the lifter motor rotates the link gear of the first assembly, the first link assembly and the second assembly lift or lower the top plate; e) one or more lifter guides extend downward from the top lower surface portion of the top plate, and one or more lifter guide bushes extend upward from the bottom upper surface portion of the bottom plate to releasably receive the lifter guides; f) massage bumps attached to the top upper surface portion of the lifter and moving vertically and/or horizontally along the elongated top opening of the elongated top panel of the base frame.