Electric toothbrush attachment mechanism

US9427293B2 · kind B2 · utility

Assignee

• Den-Mat Holdings, LLC · US

Inventors

• Ronald W. Haynes · Shirley, US
• Ian Thorne · Thornton, US
• Jered Harvey Dean · Arvada, US
• Emanuel Guzman · Aurora, US
• Sean Michael Cole · Denver, US
• John Gardner · Markesan, US
• Scott Douglas Nelson · Denver, US

Key dates

• Filing date: Oct 31, 2013
• Grant date: Aug 30, 2016
• Expiry date: Jan 1, 2034

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49826
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A toothbrush that includes a brushing attachment and a handle is described. The brushing attachment includes a main body portion that includes a hollow neck and a head. The neck includes a skirt portion with an attachment opening and the head includes a cleaning member opening. The handle includes a main body portion that houses a motor, and a male attachment member extending upwardly from the main body portion that is at least partially received in the attachment opening in the brushing attachment. The male attachment member includes at least a first retention rib that is received in a first retention recess defined in the inner surface of the neck of the brushing attachment, and the inner surface of the neck includes a first retention lug extending outwardly therefrom that is positioned below the first retention rib.