Patent ID: 7063383
Filing Date: 2006-06-20
Classification: A47C,A61H

Abstract:
1. A sliding assembly of a dynamic mechanism of a massage chair used in a massage chair, the massage chair having a dynamic mechanism and a sliding unit; the sliding unit being movable between two tracks; each track having two lateral plates at two opposite lateral sides; the sliding unit being formed by two longitudinal rods at two lateral sides and the two transversal rods installed between the two longitudinal rods; each longitudinal rod being located adjacent to a respective one of the two tracks; four wheel units; each longitudinal rod being connected with two wheel units; each wheel unit being installed between a respective one of the two longitudinal rods and a respective track; each wheel unit further comprising: a first wheel; a first connecting shaft installed between the first wheel and the sliding unit; and a second wheel; a second connecting shaft connected to an axis of the second wheel, a connecting block connecting to the second connecting shaft with an orientation approximately vertically to an axis of the second connecting shaft, a third connecting shaft installed between the connecting block and the respective longitudinal rod and passing through the connecting block; and an elastic element enclosing around a part of the third connecting shaft and installed between the connecting block and the respective longitudinal rod; the second connecting shaft being not coaxial to the third connecting shaft; wherein the elastic element is used to tightly press the connecting block and the second wheel as they move so as to resist against lateral plates of the respective track.