| 摘要 |
A power liftgate device for a liftgate of a vehicle having a power drive unit and a pneumatic actuator. The pneumatic actuator is pivotally coupled between the liftgate and the vehicle and exerts a force opposing retraction of the liftgate. A driven gear is fixed to the pneumatic actuator to pivot therewith and is selectively driven by the power drive unit. The liftgate assembly further includes an engaging device that is coupled to the vehicle for engaging the power drive unit with the driven gear, thereby enabling the power drive unit to drive the driven gear. Specifically, the engaging device is positionable between an engaged and a disengaged position, wherein the engaging device is operable in the engaged position to engage the power drive unit into driving connection with the driven gear. The engaging device is also operable in the disengaged position to disengage the power drive unit from the driven gear to enable the actuator to actuate freely.
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