Patent ID: 7567002
Filing Date: 2009-07-28
Classification: H02K,H05K,Y02P

Abstract:
1. A board mounted structure of a vibration motor comprising: a vibration motor having a vibration motor body attaching an eccentric weight to a motor shaft projecting out from a motor case, a metal holder frame provided with a motor holding part in which said motor case is fit and held, and a pair of external terminal pieces attached to a plastic end cap sealing an opening of said motor case at the opposite side of the eccentric weight; and a printed circuit board having a fastening pattern shaped left-right symmetric about a center line and superposed with a flat bottom surface of said metal holder frame and a pair of power feed patterns adjoining a back edge of this fastening pattern, arranged left-right symmetric about said center line, and superposed with the pair of external terminal pieces; wherein said metal holder frame has a pair of front projecting pieces projecting from the front edge of said flat bottom surface out to the front and a back projecting piece projecting from the back edge of said flat bottom surface out to the back; and said fastening pattern has a pair of front extending pattern surfaces extending from a main fastening pattern surface, arranged left-right symmetrical about said center line, and superposed with said pair of front projecting pieces and a back extending pattern surface extending from said main fastening pattern surface along said center line to between said pair of power feed patterns and superposed with said back projecting piece.