The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 2013
Filed:
Jun. 05, 2008
Martin Haas, Frankfurt am Main, DE;
Ivo Kunath, Kronberg/Taunus, DE;
Armin Schwarz-hartmann, Wendelsheim, DE;
Martin Haas, Frankfurt am Main, DE;
Ivo Kunath, Kronberg/Taunus, DE;
Armin Schwarz-Hartmann, Wendelsheim, DE;
Braun GmbH, Kronberg, DE;
Abstract
The invention relates to a brush head for a toothbrush. The brush head has a brush disc () mounted in a rotatable fashion on a brush body () and a channel () with an opening for the application of a cleaning product and a composite part () that serves as a valve () for opening the channel () and as a rotational bearing for the brush disc (). The composite part () comprises a tube () made of hard material on the one end thereof and is connected to the channel () there. The valve (), which is made of an elastic material, is disposed on the other end of the composite part (). The tube () of the compound part () is connected to the brush body () in a stationary fashion, for example, pressed into the brush body (). The brush disc () is mounted in a rotatable fashion on the tube (). The valve () is preferably designed as a slotted valve with a slot ().