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    • 3. 发明授权
    • Hydraulic valve bank
    • 液压阀组
    • US5115720A
    • 1992-05-26
    • US503279
    • 1990-04-02
    • Vincent L. BabsonLee A. Hagelbarger
    • Vincent L. BabsonLee A. Hagelbarger
    • B66F9/22
    • B66F9/22
    • An industrial truck has a hydraulic fluid supply and at least one double-acting hydraulic cylinder assembly for moving a movable element of the vehicle. The cylinder assembly includes a cylinder having a fluid chamber therein, and a piston movable axially in the cylinder. An actuator rod extends from the piston for connection to the movable element. The piston divides the fluid chamber into a rod end chamber and a piston end chamber each having hydraulic fluid therein. A pair of two-way two-position poppet valves are selectively actuatable between a first joint state in which both of the valves are in a normally closed position in which the piston does not move; a second joint state in which a first one of the valves is closed and a second one of the valves is open to move the piston in a first direction; and a third joint state in which the first one of the valves is open and the second one of the valves is closed to move the piston in a second direction opposite to the first direction.
    • 工业车辆具有液压流体供应装置和用于移动车辆的可移动元件的至少一个双作用液压缸组件。 气缸组件包括其中具有流体室的气缸和可在气缸中轴向移动的活塞。 致动器杆从活塞延伸以连接到可移动元件。 活塞将流体室分成杆端室和活塞端室,每个活塞端室均具有液压流体。 一对双向两位提升阀可在其中两个阀处于活塞不移动的常闭位置的第一关节状态之间选择性地致动; 第二关节状态,其中第一阀关闭,阀中的第二阀打开以沿第一方向移动活塞; 以及第三关节状态,其中第一阀是打开的,阀中的第二阀关闭以沿与第一方向相反的第二方向移动活塞。
    • 6. 发明授权
    • Air fluidized bed
    • 空气流化床
    • US06353948B1
    • 2002-03-12
    • US09567671
    • 2000-05-09
    • Michael V. BoldenVincent L. BabsonDaniel A. Denson
    • Michael V. BoldenVincent L. BabsonDaniel A. Denson
    • A61G700
    • A61G7/05746A61G7/012A61G7/0528A61G7/05784A61G2203/46A61G2210/90Y10T16/195Y10T137/7836
    • A castor locking apparatus for a castor assembly rotatably mounted to the frame member of a fluidized bed by a support that includes a notched portion. The locking apparatus includes a housing coupled to the castor with the housing including an interior region with a top opening located adjacent to the notched portion of the frame and first and second notched portions spaced apart from the top opening. Each of the first and second notched portions of the housing are spaced from the opening a distance corresponding to each notched portion, with the second notched portion being closer to the housing opening than the first notched portion. A spring loaded locking pin is located within the housing and is biased upwardly by the spring such that the pin engages the notched portion of the frame to prevent rotation of the castor assembly relative to the frame. A stop is coupled to the pin, the stop and pin can be moved from a first position in which the stop is located within the first notched portion of the housing to compress the spring and the pin is removed from the notched portion of the frame to permit rotation of the castor assembly relative to the frame, and a second position in which the stop is located within the second notched portion of the housing to permit the spring to bias the pin upwardly to engage the notched portion of the frame and lock the castor relative to the frame member.
    • 一种用于脚轮组件的脚轮锁定装置,其通过包括切口部分的支撑件可旋转地安装到流化床的框架构件。 锁定装置包括联接到脚轮的壳体,壳体包括具有邻近框架的切口部分定位的顶部开口的内部区域以及与顶部开口间隔开的第一和第二缺口部分。 壳体的第一和第二缺口部分中的每一个与开口间隔开对应于每个切口部分的距离,其中第二切口部分比第一切口部分更靠近壳体开口。 弹簧加载的锁定销位于壳体内并且被弹簧向上偏压,使得销接合框架的切口部分以防止脚轮组件相对于框架旋转。 止动件联接到销,止动件和销可以从止动件位于壳体的第一切口部分内的第一位置移动以压缩弹簧,并且销从框架的切口部分移除到 允许脚轮组件相对于框架旋转;以及第二位置,其中止动件位于壳体的第二凹口部分内,以允许弹簧向上偏置销以接合框架的切口部分并锁定脚轮 相对于框架构件。