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    • 87. 发明申请
    • INTERNAL OPENING AND CLOSING SYSTEM FOR V-RAKES
    • 内部开放和关闭系统
    • WO02078422A2
    • 2002-10-10
    • PCT/IB0202157
    • 2002-03-28
    • TONUTTI SPATONUTTI CARLETTO
    • TONUTTI CARLETTO
    • A01D78/00
    • A01D78/146
    • A bifold rake for forming a windrow of cut agricultural crop material includes a rear trolley (22) to which a pair of rake arms (30) are pivotably mounted, and a drawbar (44) extending forwardly from the rear trolley and adapted for interconnection with a two vehicle such as a tractor. Each rake arms (30) carries a series of rake members (32). An opening and closing mechanism (105) is interconnected between the drawbar and the rake arms, and includes front (110) and rear (106) operating arms located on each side of the drawbar and pivotably interconnected with each other and with one of the rake arms. The inner end of each front and rear operating arm is pivotably interconnected with a slidable arrangement associated with the drawbar. In one form, the slidable arrangement is a sleeve (102) that is slidably mounted to the drawbar for axial movement. In another form, the slidable arrangement is the form of a telescoping section of the drawbar which is capable of moving inwardly and outwardly relative to a receiver section of the drawbar. An extendible and retractable actuator assembly, such as a hydraulic cylinder assembly (104), is interconnected with the drawbar and at least one of the slidable arrangements for moving the front and rear arms together and apart so as to move the rake arms between open and closed positions. A splitter wheel rake assembly is interconnected between the drawbar and a hitch member, for directing crop material in opposite directions away from the center of the trolley to rake the crop material into a windrow. The splitter wheel rake assembly includes a frame arrangement having a pair of offset frame members, and a splitter rake member (78) mounted to each offset frame member. The splitter rake members are configured to direct the crop material in opposite directions. The splitter wheel rake assembly is selectively engageable with the drawbar.
    • 用于形成切割的农作物材料的二叉耙包括后手推车(22),一对耙臂(30)可枢转地安装在该后台车上,以及从后台车向前延伸的牵引杆(44),并且适于与 一辆两辆拖拉机等。 每个耙臂(30)装有一系列耙架(32)。 开关机构(105)在牵引杆和前叉臂之间互连,并且包括位于拉杆的每一侧上的前部(110)和后部(106)操作臂,并且可互锁地互相连接并与其中一个耙 武器。 每个前后操作臂的内端可以与与牵引杆相关联的可滑动布置枢转地互连。 在一种形式中,可滑动的布置是可滑动地安装到牵引杆以用于轴向运动的套筒(102)。 在另一种形式中,可滑动的布置是牵引杆的伸缩部分的形式,其能够相对于牵引杆的接收器部分向内和向外移动。 可伸缩的致动器组件,例如液压缸组件(104),与牵引杆和至少一个可滑动装置相互连接,用于将前臂和后臂一起移动并分开,以使前叉臂在打开和关闭之间移动 封闭职位。 分流器轮耙组件在牵引杆和牵引构件之间相互连接,用于将作物材料以相反的方向引导离开台车的中心,以将作物材料耙到料斗中。 分流轮前轮组件包括具有一对偏移框架构件的框架装置和安装到每个偏移框架构件的分离器前刀构件(78)。 分离器耙构件构造成沿相反的方向引导作物材料。 分流器轮耙组件可选择性地与牵引杆接合。