Massage apparatus comprising flexible rack gear

Abstract

The present disclosure relates to a massage apparatus comprising a flexible rack gear. A main frame comprises: a rack gear belt comprising a rack gear which is for moving a massage module, has a plurality of holes formed therein, is formed from a flexible material, and extends along a buttocks frame and a back frame comprised in the main frame, wherein the rack gear comprises a buttocks rack gear and a back rack gear and is formed without a connecting portion for connecting the buttocks rack gear and back rack gear; and a rack gear support part which is positioned below the rack gear belt to support the rack gear belt, and is formed from a flexible material. The massage module comprises: a pinion gear which comprises pinion gear teeth engaging the rack gear belt, and moves the massage module along the rack gear by means of rotation transmitted from an actuator; a connecting link for connecting the pinion gear and a guide roller; and the guide roller which rotates in contact with the rack gear support part by means of the movement of the pinion gear, and prevents the massage module from shaking.

Dependencies are inferred from the claim text.