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    • 2. 发明申请
    • DEFLECTION LIMITER FOR VIBRATOR MOTOR SHAFT
    • 振动电机轴的偏差限制
    • WO2006014923A1
    • 2006-02-09
    • PCT/US2005/026432
    • 2005-07-26
    • MOTOROLA, INC.HOLMAN, Martin, E., IV.PICHARDO, Oscar, J.
    • HOLMAN, Martin, E., IV.PICHARDO, Oscar, J.
    • H02K7/061Y10T74/18552
    • A deflection limiting member (110, 310) or a deflection limiting mechanism (512, 514) is used to limit deflection of a motor shaft (102) of a vibrator (105, 305, 505) in a portable electronic device (104,304, 504). The deflection limiting member (110, 310) extends in a radial direction from the motor shaft (102) on a side of the motor shaft (102) that is opposite to the center of gravity (108, 308) of an eccentric weight (108, 308). The deflection limiting member (110, 310) contacts a fixed surface such as a printed circuit board (112) to limit deflection of the motor shaft (102). The deflection limiting mechanism (512, 514) prevents an inertial force of an eccentric weight 510 from being applied directly to the motor shaft (102) under conditions in which there is a high risk of permanent deformation of the motor shaft (102).
    • 偏转限制构件(110,310)或偏转限制机构(512,514)用于限制便携式电子设备(104,304,504)中的振动器(105,305,505)的电机轴(102)的偏转 )。 偏转限制构件(110,310)在马达轴(102)的径向方向上从电动机轴(102)的与偏心重物(108,308)的重心(108,308)相反的一侧延伸 ,308)。 偏转限制构件(110,310)接触诸如印刷电路板(112)的固定表面以限制电动机轴(102)的偏转。 偏转限制机构(512,514)在电机轴(102)存在高度永久变形的风险的条件下,防止偏心锤510的惯性力直接施加于电动机轴(102)。