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:
Mar. 24, 2020
Filed:
Nov. 30, 2016
Koninklijke Philips N.v., Eindhoven, NL;
Joldert Maria Boersma, Zuidhorn, NL;
Pieter Herman Klokman, Ureterp, NL;
Klaas Kooijker, Drachten, NL;
Egbert Van De Veen, Ijsselmuiden, NL;
Aaldert Geert Zijlstra, Zuidlaren, NL;
Stephanus Jacob Gerardus Tamminga, Groningen, NL;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
A semi-free rotating crankshaft actuator () for an oral healthcare appliance comprises a chamber (), a spring loadable plunger (), and a crank mechanism (). The crank mechanism () comprises at least a drive pin () rotatably driven about a drive axis (), and a crank shaft () semi-freely rotatable about the drive axis, wherein the crank shaft () couples to the spring loadable plunger () and is partially driven about the drive axis () via (i) the drive pin () in a first operational mode, (ii) the spring loadable plunger () in a second operational mode, and (iii) the drive pin () in a third operational mode that comprises at least completing an incomplete actuation of the plunger () from an undesired end position to the desired end position in response to the crank shaft () pushing the plunger () from the undesired end position to the desired end position.