Patent ID: 7438559

Claim:
A vibration motor, comprising: a contact spring including: a support portion; a first intermediate portion having one end extending from the support portion; a first bent portion extending from the end of the first intermediate portion opposite the end at the support portion; a second intermediate portion having one end extending from the first bent portion, the second intermediate portion overlying and being spaced from the first intermediate portion; a second bent portion extending from the end of the second intermediate portion opposite the first bent portion; a third intermediate portion having one end extending from the second bent portion, the third intermediate portion overlying and being spaced from the second intermediate portion; a third bent portion extending from the end of the third intermediate portion opposite the second bent portion; and a contact portion having one end extending from the third bent portion, the contact portion electrically connected to an external power supply terminal; and a vibrating portion eccentrically rotating by power supplied from outside through the contact spring.