Patent ID: 7160261

Claim:
A back sliding massager comprising: a base ( 1 ), a slide consists of an upper plate ( 21 ) and a lower plate ( 22 ), a transmission mechanism ( 3 ), massage heads ( 4 ) and a cover ( 5 ) wherein the transmission mechanism ( 3 ) and the massage heads ( 4 ) are mounted into a chamber between the base ( 1 ) and the cover ( 5 ) characterized in that chains ( 11 , 12 ) are disposed on the surface of the base ( 1 ), the transmission mechanism ( 3 ) installed between the cover ( 5 ) and the base ( 1 ) includes a motor ( 31 ); a set of gears, are driven by the motor ( 31 ), having bottom pinions ( 36 ) meshed with the chains ( 11 , 12 ), and each of top gears ( 33 ) is connected to a massage head ( 4 ) by a central axle ( 331 ) respectively; openings ( 51 , 52 ) formed through the cover ( 5 ), said massage head ( 4 ) extended out of the cover ( 5 ) through the openings ( 51 , 52 ).