Quem sabe podemos aprimorar adaptando um sistema de movimento e vibração

Texto original da patente: The chair comprises seat (12), legs (10, 11), a first back rest (15) and a second back rest (16), wherein the back rests are facing each other to support the back of a first user seated on the seat (12) and the back of a second user sitting astride the first user. Modifications of the basic design include: (Fig. 4) a table top attached to back (13), (Fig. 5) a tiltable backrest, (Fig. 6) a stepped sitting surface, (Fig. 7) a removable backrest and (Fig. 8) adjustable separation between the backrests. GB2283412