Patent ID: 8752903

Claim:
A chair, convertible into a baby's highchair, comprising: a base frame; a seat body connected to said base frame, wherein said seat body comprises a fixed back, a movable and height-adjustable back connected to said fixed back, and a seat having a lower face; and a sill detachably connected with said seat body, said sill comprising safety means adapted to prevent coupling of said sill to said seat body when said movable back is in a first predetermined position, wherein said sill comprises: a lower engagement portion; a central element connected to said lower engagement portion; and an upper rim supported by said central element for containing a child; wherein said safety means comprise: a point arranged at an end of said lower engagement portion; a sleeve into which said point is insertable, said sleeve being jointly connected to said lower face of said seat, said sleeve comprising an insertion opening; a pin insertable into said insertion opening; and a divarication spring, which is associated with the pin and accommodated in said lower engagement element.