Patent ID: 7476101
Filing Date: 2009-01-13
Classification: A61C

Abstract:
1. A dental handpiece and collar construction comprising a main body, a neck section and a head unit, a cable extending into a proximal end of said main body, a distal end of said main body being connectable to said neck section, said head unit comprising a shank, said shank comprising a longitudinal axis, said collar being positioned around said shank and being moveable along said longitudinal axis, said collar comprising an outer housing and an electrically conductive inner sleeve, said inner sleeve being in electrical communication with a conducting member that extends through said neck section of said dental handpiece, said outer housing comprising a projecting portion, a docking region defined within said projecting portion, said docking region comprising a wall, a mounting block positionable within said docking region, said mounting block comprising a wall that abuts with said wall of said docking region, a contact secured to said mounting block such that said contact is positioned external of said head unit, said contact comprising a generally U-shaped configuration, and said inner sleeve being in electrical communication with said contact.