Patent ID: 7311023

Claim:
Replaceable-head dental care tool, of the type comprising a handle element ( 1 ) and a tool element, said tool element comprising an engaging extension ( 10 ) having at least one flexible reed element ( 11 ) equipped with an end pawl ( 12 ), and said handle element comprising an engagement seat ( 2 ) for said engaging extension ( 10 ) which has a shoulder ( 2 b ′) able to retain said pawl ( 12 ), as well as an activation button ( 5 ) belonging to the handle and capable of pushing on the pawl ( 12 ) to disengage said pawl from said shoulder ( 2 b ′), characterised in that said button is shaped as a separate button ( 5 ), said seat ( 2 ) has an opening ( 2 b ) towards the button ( 5 ), externally surrounded by a rim ( 4 ) of a soft elastic material wherein said button ( 5 ) is circumferentially enclosed and in that said button ( 5 ) has at least one projection ( 5 d ) towards the inside of the opening ( 2 b ) and capable of coming in contact with the pawl ( 12 ) of the flexible reed ( 11 ) when pressure is imparted thereon deforming part of said elastic rim ( 4 ), and wherein said rim ( 4 ) further comprises a supporting block ( 4 b ) which partly occupies said opening ( 2 b ) and whereon the button ( 5 ) is cantilever mounted.