| 摘要 |
A deployable airfoil to reduce wind resistance of trucks and semi-trailers including first and second frame structures supported for pivotal movement at the rear of the truck. Each of the first and second frame structures include a pair of frame members including upper and lower frame members. The upper and lower pairs of frame members are connected through an actuation mechanism whereby the upper and lower frame members will move simultaneously to deploy or fold the airfoil. Each pair of upper and lower frame members support a fabric member wherein, in a deployed configuration, the fabric member is drawn substantially taut between the upper and lower frame members.
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