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Electromagnetic vibration device and manufacturing method thereof

  • US 8,395,285 B2
  • Filed: 12/15/2008
  • Issued: 03/12/2013
  • Est. Priority Date: 12/27/2007
  • Status: Active Grant
First Claim
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1. An electromagnetic vibration device, comprising an upper basin frame, a lower basin frame coupling with said upper basin frame, a vibration member having a plurality of retaining slots, a suspension element extending between said vibration member and said upper basin frame, a voice coil which comprises a plurality of corresponding inserting members slidably passing through said retaining slots, wherein each of said inserting members has an upper bending portion arranged in such a manner that after said inserting member passes through said respective retaining slot, said upper bending portion of said inserting member is bent to interlock said voice coil with said vibration member.

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