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:
Aug. 23, 2005
Filed:
May. 21, 2001
Lawrence A. Blaustein, Moreland Hills, OH (US);
John R. Nottingham, Hunting Valley, OH (US);
John Osher, Moreland Hills, OH (US);
John W. Spirk, Gates Mills, OH (US);
Douglas A. Gall, Westlake, OH (US);
Lawrence A. Blaustein, Moreland Hills, OH (US);
John R. Nottingham, Hunting Valley, OH (US);
John Osher, Moreland Hills, OH (US);
John W. Spirk, Gates Mills, OH (US);
Douglas A. Gall, Westlake, OH (US);
Abstract
An electric toothbrush comprises a body portion and a head including a motor, a moving portion, a handle, and a gear arrangement between the moving portion and the motor. The moving portion rotates, oscillates and/or reciprocates about an axis normal to a longitudinal axis of the head. The moving portion can include stiff bristles and massaging tips and the static portion can include soft bristles and massaging tips. The body portion houses the motor. A switch is operatively connected to the motor to provide momentary or continuous operation of the toothbrush. In one embodiment the gear arrangement includes a shaft, a worm gear and a pair of step gears. In another embodiment the gear arrangement includes a plurality of gears and at least one swivel arm for drive the moving portion in a rotating, oscillating or reciprocating manner.