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:
Jan. 19, 2016
Filed:
Sep. 24, 2013
M+c Schiffer Gmbh, Neustadt/Wied, DE;
Arndt Graeve, Koblenz, DE;
M+C SCHIFFER GMBH, Neustadt/Wied, DE;
Abstract
The present invention relates to a brush head attachment, in particular for an electric sonic toothbrush, comprising a shank member carrying a bristle bundle, and a coupling member () provided on the fastening-side end of said shank member with at least one connection surface for a drive shaft of said handpiece which, when a brush head attachment is mounted on a handpiece, protrudes into said coupling member (), a spring element that can be operatively connected with said drive shaft for securing said drive shaft to said brush head attachment and/or transferring a drive motion of said drive shaft to said brush head attachment, and a metal ring () disposed in a widened fastening foot () formed by said coupling member (). In this inexpensively manufactured brush head attachment according to the present invention, said metal ring () is a die-cast member.