专利汇可以提供Power chute racking device therefor专利检索,专利查询,专利分析的服务。并且A power chute racking device is disclosed for racking the discharge chute sections of a concrete mix truck. A first chute section is pivotally secured to the discharge chute support means at the rearward end of the mix truck. A hydraulic cylinder is pivotally connected to the chute support means and the lower end of the first chute section for raising and lowering the lower end of the first chute section. A second discharge chute section is pivotally connected at its upper end to the lower end of the first discharge chute section and a third discharge chute section is pivotally connected at its upper end to the lower end of the second discharge chute section. A telescoping link means extends between the discharge chute support means and the upper end of the second discharge chute section. The telescoping link means comprises a first link member pivotally secured at one end thereof to the discharge chute support means and having its other end slidably received by one end of a second link member which is pivotally secured to the second discharge chute member. The telescoping link means also comprises a link stop which is moveable into engagement with the second link member to limit the inward slidable movement of the first link member into the second link member at times. The chute sections are racked by first pivotally folding the third chute section over on top of the second chute section. The hydraulic cylinder is then extended so that the link stop can be engaged. After the link stop has been engaged, the hydraulic cylinder is retracted so that the telescoping link means causes the second discharge chute section, and the third discharge chute section folded thereon, to be folded over on top of the first discharge chute section. The discharge chute sections can be lowered by reversing the procedure outlined above.,下面是Power chute racking device therefor专利的具体信息内容。
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