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US 7,453,178 B2Granted
Vibration motor and mounting structure of the vibration motor and mounting method of the vibration motor
AssigneeLG Innotek Co., Ltd.
InventorDong-Geun Chang
Life of this patent
Estimating the term…
Abstract
A vibration motor includes: a rotor having an eccentric gravity center; a shaft inserted through a bearing of the rotor; a magnet provided at a position facing the rotor, at least one commutator circumferentially formed on a lower surface of the rotor; at least one pair of brushes being in contact with the commutator; a first terminal and a second terminal connected with the one pair of brushes and exposed to the external at their lower sides so as to be in contact with an electric line; and a base as a mold for fixing the first terminal and/or the second terminal thereto.
Claims7
A vibration motor comprising:
- a rotor having an eccentric gravity center;
- a shaft inserted through a bearing of the rotor;
- a magnet provided at a position facing the rotor;
- at least one commutator circumferentially formed on a lower surface of the rotor;
- at least one pair of brushes being in contact with the commutator;
- a first terminal and a second terminal connected with the one pair of brushes;
- a base as a mold for fixing the first terminal and/or the second terminal thereto, the base having a bottom surface;
- and
- extended portions of the first terminal and the second terminal extending through the bottom surface of the base for connection with an electrical conductor,
- wherein the bottom surface of the base includes at least one groove and the extended portions of the first terminal and the second terminal are fixed to the at least one groove,
- wherein the bottom surface of the base and the lower surface of the extended portions are formed on the same horizontal planes, and
- wherein the extended portion of the first terminal is surrounded by the extended portion of the second terminal.
9 more elements
Dependencies are inferred from the claim text.