| 摘要 |
An electric reciprocating motion device includes a casing (7), a mounting bracket (4) disposed within the casing (7), a motor (1), and its power supply (9) mounted and fixed on the mounting bracket (4), and a motion head (6) connected with the rotary shaft (11) of the motor (1). The motor (1) is a reciprocating swing motor. The motor (1) drives the motion head (6) to swing reciprocatively over a certain angle range around the axis which is the rotary shaft thereof.
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