| 摘要 |
A roll-out cover system for a container having an open top is provided that includes a cover, a pair of pivot arms, a gearbox, a motor, a drive mechanis m, and a controller. The cover has a leading end and a trailing end. The pivot arms are positioned on respective sidewalls of the container. Each pivot arm has a free end connected to the leading end of the cover, and a pivot end. T he pivot arms are pivotable between a first position wherein the cover is retracted from the open top, and a second position wherein the cover is extended substantially over the open top. The gearbox has an input shaft and an output shaft. The motor is coupled to the input shaft of the gearbox. The drive mechanism is coupled to the output shaft of the gearbox and connected to the pivot arms. The controller selectively controls the motor and coupled gearbox to operate the drive mechanism and connected pivot arms between the first position wherein the cover is retracted, and the second position where in the cover is extended substantially over the open top.
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