Patent · US Active

Electric toothbrush with drive mechanism

US9038225B2 · kind B2 · utility

7Cited by

5References

5Claims

0Family size

Assignee

Den-Mat Holdings, LLC · US

Inventors

Ronald W. Haynes · Shirley, US
Ian Thorne · Thornton, US
Jered Harvey Dean · Arvada, US
Emanuel Guzman · Aurora, US
Sean Michael Cole · Denver, US
John Gardner · Markesan, US
Scott Douglas Nelson · Denver, US

Key dates

Filing date	Oct 31, 2013
Grant date	May 26, 2015
Priority date	—
Expiry date	Nov 7, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49826
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A toothbrush that includes a brushing attachment and a handle. The brushing attachment includes a main body portion with a hollow neck having an attachment opening and a head with a cleaning member opening, a drive shaft positioned in the neck, a cleaning member drive mechanism matingly engaged with gearing on the drive shaft, and a cleaning member extending through the cleaning member opening in the head and operatively associated with the cleaning member drive mechanism. The drive shaft includes a spline drive on one end and gearing on the opposite end. The handle includes a main body portion with a brushing attachment connection receiver that is at least partially received in the attachment opening. The brushing attachment connection receiver includes a recess defined therein that receives a drive hub with a grooved recess defined therein that receives the spline drive.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.