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. 21, 2020
Filed:
Dec. 15, 2015
Koninklijke Philips N.v., Eindhoven, NL;
Kevin Arnold Miller, Bellevue, WA (US);
Wolter F. Benning, Seattle, WA (US);
Gregory Russ Goddard, Kenmore, WA (US);
Evert Alle Helfrich, Seattle, WA (US);
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
An actuator () for a personal care appliance () having an eccentric core () to preload the actuator () to prevent rattling caused by detrimental reactionary forces. The eccentric core () includes a pole assembly () radially extending from a spindle () having at least a first set (-) and a second set (-) of pole members. The first set (-) has a greater length as measured from the center of the spindle () than the second set (-), reducing the magnet gap on one side of the spindle () to create an eccentric core and preload the actuator (). Alternatively, the preload can be mechanically created by a set of bearings () disposed within housing () of the actuator (), where the bearings () have a centerline (A) offset from the principal axis (A) of the housing ().