Patent ID: 8191860
Filing Date: 2012-06-05
Classification: F16K

Abstract:
1. An actuator for use in conjunction with an electric drive motor, the actuator comprising: a housing assembly; a first rack translatably mounted in the housing assembly and having a first longitudinal channel therethrough; a second rack translatably mounted in the housing assembly and having a second longitudinal channel therethrough; a first power screw rotatably mounted in the housing assembly, extending through the first longitudinal channel, and threadably coupled to the first rack; a second power screw rotatably mounted in the housing assembly, extending through the second longitudinal channel, and threadably coupled to the second rack; a pinion rotatably disposed within the housing assembly between the first rack and the second rack, the pinion configured to rotate as the first and second racks move linearly within the housing assembly; and a motor-to-screw drive train configured to be coupled to the electric drive motor and, when driven thereby, to cause rotation of the first and second power screws and linear movement of the first and second racks, the motor-to-screw drain train comprising: