US Patent 7493781 Ultrasonic washing apparatus

An ultrasonic washing apparatus, comprising a body part, an ultrasonic vibrating horn exposed to the outside of the body part, a liquid feeding means for feeding liquid to the ultrasonic vibrating horn, and a mounting means for mounting the body part at any position, the mounting means further comprising a support arm to be installed on an installed object such as a full automatic washing machine, wherein the support arm is extendable, energized in a retracting direction by a helical tension spring, and can stop an extension at any length with a fixing screw, and the body part can change an attitude or a position relative to the mounting means.