The invention relates to a drive unit (1) for generating an oscillatorymotion for an electrical small-scale unit.
本发明涉及一种驱动单元(1)，其用于产生用于小型电器的振荡运动的。
2
With various relative lengths of the links, this four-bar linkage becomes a useful mechanism for converting uniform rotary to non-uniform rotary motion or continuous rotary to oscillatorymotion.