Brush head attachment, particularly for electric sonic-toothbrush, has bristle bundle supporting shaft element and coupling element provided to end of shaft element, where coupling element is provided with connecting surface

摘要

The brush head attachment has a bristle bundle supporting shaft element and a coupling element (1) provided to the fastening-sided end of the shaft element, where the coupling element is provided with a connecting surface for the brush head attachment attached on a handpiece in the coupling element projecting drive shaft of the handpiece. A spring element is provided for securing the drive shaft to the brush head attachment. A metal ring is formed as pressure cast piece and is arranged in a fastening base (2) formed by the coupling element.