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. 02, 2007
Filed:
Jun. 22, 2004
Kenneth A. Pilcher, Seattle, WA (US);
David Giuliani, Mercer Island, WA (US);
Stephen M. Meginniss, Iii, Seattle, WA (US);
Richard A. Reishus, Renton, WA (US);
Dane M. Roth, Seattle, WA (US);
Kenneth A. Pilcher, Seattle, WA (US);
David Giuliani, Mercer Island, WA (US);
Stephen M. Meginniss, III, Seattle, WA (US);
Richard A. Reishus, Renton, WA (US);
Dane M. Roth, Seattle, WA (US);
Pacific Bioscience Laboratories, Inc., Bellevue, WA (US);
Abstract
The motor assembly which produces an oscillating action for a personal care device includes a horizontally positioned U-shaped stator portion, and an armature portion which includes a torsion spring shaft which is anchored at one end thereof. The armature portion also includes a U-shaped magnet mounting member which is fixed near the upper end of the spring shaft, the U-shaped member including two opposing legs which extend along a substantial part of the length of the spring shaft, away therefrom. At the tips of each leg are magnet assemblies, which interact with the stator portion in alternating torsion, to produce a back-and-forth oscillation of the armature and a brushhead or other workpiece attached thereto.