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:
Sep. 05, 2017
Filed:
Aug. 31, 2013
Koninklijke Philips N.v., Eindhoven, NL;
Ahren Karl Johnson, North Bend, WA (US);
Scott Robert Wills, Seattle, WA (US);
Tyler G. Kloster, Snoqualmie, WA (US);
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
A power toothbrush appliance () and a method for tuning a brushhead assembly system () thereof. The appliance includes a handle portion (), a drive assembly and a brushhead assembly system (). The drive assembly includes a DC motor () and an eccentric coupling () which drives the brushhead assembly system by means of a yoke mechanism. The brushhead assembly system includes a beam portion () which moves laterally about a pivot (). A brushhead () is attachable to and removable from a distal end of the beam. The beam is tunable by changing the stiffness thereof, or the length thereof, or the cross-sectional moment thereof, in order to control the resonant frequency of the brushhead assembly system relative to the drive frequency of the appliance to maintain the amplitude of the brush member within a range of 1.0-2.5 mm, preferably 1.75 mm.