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    • 6. 发明授权
    • Hay conditioner roll tensioning mechanism
    • 干草调理辊张紧机构
    • US4896483A
    • 1990-01-30
    • US297945
    • 1989-01-17
    • Michael L. O'HalloranMartin E. Pruitt
    • Michael L. O'HalloranMartin E. Pruitt
    • A01D82/00
    • A01D82/00Y10S56/01
    • In a crop conditioner having a frame and first and second rolls each rotatable about an axis of rotation, a mounting assembly for the first roll includes a sub-assembly at each end of the first roll which permit the first roll to be pivoted relative to the second roll. Each sub-assembly has a mounting plate rotatably supporting one end of the first roll and supported on the frame for pivotal movement about a pivot axis which is generally parallel to and displaced from the axis of rotation of the first roll such that the axis of rotation of the first roll is movable relative to the axis of rotation of the second roll between a first position, a second position and a third position. The second and third positions of the first roll are progressively farther away from the axis of rotation of the second roll than the first position. A biasing force is exerted on the mounting plate and the first roll which acts in a direction generally toward the second roll, the biasing force has a magnitude which is less when the first roll is located between the second and third positions than when the first roll is located between the first and second positions.
    • 在具有框架的作物调节器和能够围绕旋转轴线旋转的第一和第二辊的滚动调节器中,用于第一辊的安装组件包括在第一辊的每个端部处的子组件,其允许第一辊相对于第一辊枢转 第二卷。 每个子组件具有可旋转地支撑第一辊的一端并被支撑在框架上的安装板,用于围绕枢转轴线枢转运动,枢转轴线大致平行于第一辊的旋转轴线并从第一辊的旋转轴线偏移,使得旋转轴线 的第一辊可以相对于第二辊的旋转轴线在第一位置,第二位置和第三位置之间移动。 第一辊的第二和第三位置比第一位置逐渐远离第二辊的旋转轴线。 偏置力施加在安装板和第一辊上,其作用在大致朝向第二辊的方向上,当第一辊位于第二位置和第三位置之间时,偏置力的幅度小于当第一辊 位于第一和第二位置之间。
    • 8. 发明授权
    • Debris diverter for a rotary cutter
    • 用于旋转切割机的碎片转向器
    • US07536846B1
    • 2009-05-26
    • US12140986
    • 2008-06-17
    • Martin E. PruittBrendon Nafziger
    • Martin E. PruittBrendon Nafziger
    • A01D34/00
    • A01D34/828A01D34/664A01D75/187
    • A rotary cutter assembly has a spindle journaled by a bearing assembly. A cutter mounting member is fixed to the spindle for rotation therewith and has an outermost annular skirt that flares radially outwardly and downwardly to a lowermost peripheral edge. The bearing housing that supports the bearing has an upstanding rib that surrounds the lower peripheral edge of the mounting member and projects upwardly beyond the same for a short distance. This overlapping relationship between the rib and the lower skirt periphery prevents the ingress of foreign materials into close proximity with the bearing assembly to thereby prolong its useful life.
    • 旋转刀具组件具有由轴承组件支承的主轴。 刀具安装构件固定到心轴上以与其一起旋转,并且具有最外面的环形裙部,其径向向外和向下地向最下方周边边缘展开。 支撑轴承的轴承壳体具有围绕安装构件的下周边边缘并且向上突出超过相同距离的直立肋。 肋和下裙边之间的这种重叠关系防止异物进入轴承组件附近,从而延长其使用寿命。
    • 9. 发明授权
    • Wide cut harvester having rotary cutter bed
    • 宽切割收割机具有旋转切割床
    • US5463852A
    • 1995-11-07
    • US234232
    • 1994-04-28
    • Michael L. O'HalloranCecil L. CaseMartin E. PruittDavid P. Fritz
    • Michael L. O'HalloranCecil L. CaseMartin E. PruittDavid P. Fritz
    • A01D34/66A01D34/76
    • A01D34/76A01D34/664Y10S56/06Y10S56/11
    • A harvester which uses a rotary style cutter bed has a series of rotary cutters extending across the path of travel of the machine and rotatable about individual upright axes. Part of the cutter bed is a flat gear case containing a train of intermeshed spur gears that serve to distribute power between the cutters above the gear train. Each end of the gear case has a hollow, gearless extension welded thereto which supports at least one additional outboard cutter that receives its driving power exteriorally of the gear case. One embodiment uses a mechanical drive to bring power to the upright shaft of the cutter having the first spur gear so that the cutters with gears receive all their power from the driven cutter. The outboard cutters not having gears are driven by exterior, over-the-top drive mechanism coupled with the shafts of the first and last geared cutters, such drive mechanism alternatively taking the form of timing belts with timing sheaves, chains and sprockets, gear box and universal joint couplings or a spur gear train. As an alternative to a mechanical drive, the cutter bar may utilize a pair of hydraulic motors coupled with the shafts of the first and last cutters having gears. All of the gears in the gear case remain positively enmeshed with one another in the gear train, so that the two hydraulic motors share the total load of driving the cutter bed and such loading is balanced between the two hydraulic motors, prolonging the useful life of the gears and other drive components. The added on, outboard cutters are driven over the top using timing belts, timing sheaves, universal couplings or a spur gear train.
    • 使用旋转式切割机的收割机具有一系列旋转切割器,其横跨机器的行进路径延伸并可围绕各个直立轴线旋转。 切割机床的一部分是平坦齿轮箱,其包含一系列啮合的正齿轮,用于在齿轮系上方的切割器之间分配动力。 齿轮箱的每个端部具有焊接到其上的中空的无齿轮延伸部,其支撑至少一个额外的外侧切割器,其接收齿轮箱外部的驱动力。 一个实施例使用机械驱动器向具有第一正齿轮的切割器的立式轴驱动力,使得具有齿轮的切割器从驱动的切割器接收所有的动力。 不具有齿轮的外侧切割器由外部驱动,顶部驱动机构与第一和最后一个齿轮刀具的轴联接,这种驱动机构交替地采取带有定时滑轮,链轮和链轮的齿轮箱的同步带的形式 和万向节联轴器或正齿轮系。 作为机械驱动器的替代,切割杆可以利用与具有齿轮的第一和最后切割器的轴联接的一对液压马达。 齿轮箱中的所有齿轮在齿轮系中保持相互啮合,使得两个液压马达共享驱动切割床的总载荷,并且这两个液压马达之间的负载平衡,从而延长了使用寿命 齿轮等驱动部件。 使用同步带,定时滑轮,通用联轴器或正齿轮系,将外置的切割机从顶部驱动。
    • 10. 发明授权
    • Self-latching shield curtain for crop harvesters
    • 用于作物收割机的自锁屏幕
    • US5279100A
    • 1994-01-18
    • US949060
    • 1992-09-22
    • Martin E. PruittGalen C. Doud
    • Martin E. PruittGalen C. Doud
    • A01D75/20A01D75/18A47H23/01
    • A01D75/20Y10S56/24Y10T24/32
    • The high speed rotary cutter bed of a harvester or other mowing machine has a rubberized deflector curtain that wraps around opposite ends and front extremities of the cutter bed to guard against thrown objects, yet permit the ingress of standing crop materials as the machine is advanced. The curtain is divided into a series of discrete sections which mutually overlap along their upright marginal edges so as to permit independent raising and lowering of the curtain sections with their respective, overhead rigid covers into positions permitting access to the cutter bed for maintenance or other purposes. Self-actuating retainer means in the form of magnetically attracted components on the marginal overlapping portions of the curtain sections cause the sections to be automatically readhered together into an effective single deflector curtain around the cutter bed when the curtains are down in their operating positions, yet allow the curtain sections to automatically release from one another when their respective cover sections are raised to their access positions.
    • 收割机或其他割草机的高速旋转切割机床具有橡胶化的偏转窗帘,其包裹在切割机床的相对端和前端以防止被抛物体,同时允许机器前进时站立的作物材料进入。 窗帘被分成一系列分开的部分,它们沿其直立的边缘边缘相互重叠,以便允许窗帘部分与其各自的顶部刚性盖子独立地升高和降低到允许进入切割机床进行维护或其它目的的位置 。 在幕帘部分的边缘重叠部分上以磁力吸引的部件的形式的自动致动保持器装置使得当窗帘在其操作位置下降时,这些部分被一起自动地回放到切割器床周围的有效的单个偏转器窗帘中,但是 允许帘幕部分在其各自的盖部分被升高到其进入位置时自动地彼此释放。