Electric toothbrush

• US 8,769,754 B2
• Filed: 07/29/2013
• Issued: 07/08/2014
• Est. Priority Date: 04/08/2010
• Status: Expired due to Fees

• Current Assignee: LG Innotek Company Limited (LG Corporation)
• Original Assignee: LG Innotek Company Limited (LG Corporation)
• Inventors: Byeon, Daegil
• Primary Examiner(s): KARLS, SHAY LYNN
• Application Number:
  US13/953,246
• Publication Number:
  US 20130305466A1
• Time in Patent Office: 344 Days
• Field of Search: 15/221, 15/222, 15/23, 15/211, 15/223, 15/224, 15/28
• US Class Current: 15/22.1
• CPC Class Codes: A61C 17/32 reciprocating or oscillating
• CPC Class Codes: A61C 17/3481 Vibrating brush body, e.g. by using eccentric weights

Abstract

Disclosed is an electric toothbrush including a toothbrush plate having a cleaning brush installed thereon; a toothbrush head having a storage within which the toothbrush plate is stored; a toothbrush body that is connected to the toothbrush head and has a storage space formed therein; a flat type vibration motor that is disposed between the toothbrush plate and the toothbrush head; and a power supply unit that includes a power supply that is disposed in the storage space of the toothbrush body and supplies the vibration motor with power, a power supply switch connected to the power supply and a wire that is electrically connected to the vibration motor and the power supply switch and supplies the vibration motor with power.

Claims

1. An electric toothbrush, comprising:

a toothbrush plate having a cleaning brush installed thereon;

a toothbrush head having a storage within which the toothbrush plate is stored;

a toothbrush body that is connected to the toothbrush head and has a storage space formed therein;

a vibration motor that is disposed between the toothbrush plate and the toothbrush head;

a power supply unit that includes a power supply that is disposed in the storage space of the toothbrush body and supplies the vibration motor with power, a power supply switch connected to the power supply and a wire that is electrically connected to the vibration motor and the power supply switch and supplies the vibration motor with power;

an adhesive member to glue the toothbrush head and the toothbrush plate together; and

a waterproof member to cover and protect the vibration motor;

wherein the toothbrush head has a vibration motor storage groove to store the vibration motor, and

wherein a wire storage groove to store a wire that is electrically connected to the vibration motor is formed on the surface of the toothbrush body, and the wire storage groove is engaged with a sealing member to seal the wire storage groove.

2. The electric toothbrush according to claim 1, wherein the vibration motor is formed in a flat coin shape.

3. The electric toothbrush according to claim 1, wherein the power supply switch includes:

a first switch contact button disposed in the toothbrush body;

a second switch contact button disposed in the toothbrush body and facing the first switch contact button; and

a switch portion that is disposed in the storage space of the toothbrush body and is electrically connected by a pressure applied to the first and second switch buttons.