Mirror actuator is the security and automotive rear-view mirrorassembly, which is used for adjusting the mirror angle in order tobroaden drivers’ visual field.  According to the loading capacity itcould be classified as small, medium or large series.  

       According tothe driving means,  which could be divided into manual or electrictype,and according to the transmission structure. it could beclassified as rack and pinion mechanism or worm and gear mecha-nism. [memory function optional].