US Patent 7137166 Toothbrush

A toothbrush with a replaceable head in which the handle has a socket and the head has a pin for insertion into the socket and the socket side walls or the pin comprise a resiliently deforable elastomer material differnt to the material of the socket side walls or pin. A preferred form of the toothbrush has its socket in a tubular structure resiliently supported between two fork-like arms.