HEIGHT CONTROLLING DEVICE OF A LEG MASSAGE MACHINE IN WHICH A VIBRATING MOTOR IS INSTALLED INSIDE A LEG SUPPORT

摘要

PURPOSE: A height controlling device of a leg massage machine is provided, which facilitates height control of the leg massage machine and smoothly guides a slider meshed with a rotation of a ball screw.;CONSTITUTION: A height controlling device of a leg massage machine comprises: a lifting motor(220) which is installed inside a base; a ball screw which is connected to the rotary shaft of the lifting motor and is installed in the upper part of the base; a ball screw case(230) in which a guide groove part is formed in the inner circumference and which is fixed on the top of the base to cover the outer circumference of the ball screw; a slider(250) which is placed inside the ball screw case; an elevation rod(240) fixed to the lower part by a slider; a guide member(270) guiding the elevation of the leg support; and upper and lower sensors(281,285) sensing the height of the leg support.;COPYRIGHT KIPO 2011