| 摘要 |
An elevating compartment having a piston rod connected at each end with the vehicle frame. A single acting cylinder reciprocably mounted upon the piston rod and secured to the compartment so that raising and lowering of the cylinder relative to the rod will affect raising and lowering of the compartment. A guide means is provided on the vehicle frame and engageable by guide rollers on the compartment to maintain the compartment in its intended position relative to the vehicle frame.
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