Massage machine frame, massage machine and control method thereof

Abstract

The massage machine frame of the present invention comprises a base and a seating unit which is supported to the base in such a way that the seating unit is movable relative to the base, wherein one of the base and the seating unit has a guide rail and the other has a mating portion cooperating with the guide rail, the guide rail including: a first guide rail in the shape of a circular arc projecting forward; and a second guide rail in the shape of a circular arc projecting rearward and having a different center of circle than the first guide rail, the mating portion including: a first mating portion switchable from moving on the first guide rail to moving on the second guide rail; and a second mating portion which moves on the second guide rail.

Dependencies are inferred from the claim text.