| 摘要 |
An actuator, comprising: a housing having a first end and a second end; an actuating device received within an opening located at the second end, the actuating device being secured within the housing by a screw plate; and a biasing device for providing a biasing force to the actuating device when the actuating device is secured within the housing, the biasing device being integrally formed with either the housing or the screw plate or both of them.
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