Patent ID: 6661138
Filing Date: 2003-12-09
Classification: H02K

Abstract:
A vibration generating motor, comprising:at least a first, a second, and a third rotor core operable about a rotary shaft; a coil winding portion on respective each said rotor core; a plurality of coils wound on respective each said coil winding portion; a weight member; said weight member having a shape enabling selective and fixable positioning at a first position between two adjacent ones of said at least first, second, and third rotor cores during an assembly of said motor; said weight member including an upper part and a lower part; said upper part including an upper body and a first and a second upper flange where said first and said second upper flange extend radially from said upper body; said lower part including a lower body and a first and a second lower flange where said first and said second flange lower extend radially from said lower body; means for separably coupling said upper and said lower parts of said weight member during said assembly; said upper body and said lower body contacting during said assembly; said first and said second upper flanges contacting a top surface of said coil winding portions on respective said two adjacent ones; and said first and said second lower flanges contacting a bottom surface of said coil winding portions on respective said two adjacent ones, whereby said means for separably coupling securely joins said weight member to said adjacent ones and enables a rapid assembly and secure operation of said motor.