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公开(公告)号：US4518046A
公开(公告)日：1985-05-21
申请号：US390435
申请日：1982-06-21
CPC分类号： A01B73/065
摘要： A two-wheeled trailer hitch supporting two three-point hitch mounted implements side-by-side for field operation. The implements are mounted on outriggers which are foldable forwardly to narrow the unit for transport. A pair of rigid diagonal drag links movable fore-and-aft by a cylinder-activated slide block is connected to the outriggers for pivoting them approximately ninety degrees between the field and transport positions. Lift frame structures selectively engage the three-point hitch linkages to raise the implements on the respective outriggers. The lift frame structure is disengaged from the linkages when the implements are lowered for greater flexibility in the field-working position.
摘要翻译： 一个两轮拖车挂钩，并排配置两个三点搭接工具，用于现场操作。 工具安装在外伸支架上，可以向前折叠以使设备变窄以便运输。 一对由气缸致动滑块前后移动的刚性对角拖链连接到外伸支架上，用于在现场和运输位置之间枢转约90度。 提升框架结构选择性地接合三点搭接连杆，以将工具提升在相应的外伸支架上。 当工具在现场工作位置下降时，提升机架结构与联动装置脱离啮合。
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公开(公告)号：US4800964A
公开(公告)日：1989-01-31
申请号：US44537
申请日：1987-05-01
CPC分类号： A01B35/22
摘要： A compact, leaf spring biased shank assembly with a shank bracket which clamps to a tube and leaves the upper portion of the tube relatively unobstructed to eliminate interference with the lift mechanism and/or implement frame. The shank bracket includes easily accessible down pressure and shank height pins for quick, effortless adjustments of the shank assembly. The leaf spring is C-shaped and is designed to approach a straightened condition as the shank moves.
摘要翻译： 紧凑的板簧偏压柄组件，其具有柄部支架，其夹持到管并且相对地不受阻碍地离开管的上部，以消除与提升机构和/或实施框架的干涉。 柄支架包括容易接近的下压和柄高度销，用于快速，轻松地调节柄组件。 板簧是C形的，并且设计成当柄移动时接近矫直状态。
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公开(公告)号：US4700785A
公开(公告)日：1987-10-20
申请号：US843418
申请日：1986-03-24
CPC分类号： A01B61/046 , A01B35/24
摘要： A shank assembly including a rearwardly opening bracket pivotally mounting a shank. A tension link extends upwardly from a central portion of the shank and through an apertured strap. A stop member at the upper end of the link limits the downward rocking of the shank. An adjustable arm assembly including a trunnion slidably received over the tension link is pivotally connected to the bracket and adjustably compresses a down-pressure spring which encircles the link between the trunnion and the shank. Individual down-pressure adjustments can be made without affecting the transport height of the assembly.
摘要翻译： 一种柄组件，其包括枢转地安装柄的向后开启支架。 张紧连接件从柄部的中心部分向上延伸并穿过带状带。 连杆上端的止动件限制了杆的向下摆动。 包括可滑动地容纳在张力连接件上的耳轴的可调臂组件枢转地连接到支架并可调节地压缩环绕耳轴和柄之间的连杆的下压弹簧。 可以在不影响组件的运输高度的情况下进行单独的下压调节。
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公开(公告)号：US4609203A
公开(公告)日：1986-09-02
申请号：US771314
申请日：1985-08-30
IPC分类号： A01B59/043 , B60D1/04
CPC分类号： A01B59/043
摘要： Three-point hitch structure for connecting an implement to a towing vehicle wherein the upper link is made variable by means of a hydraulic cylinder pinned to a plate to provide three pivot points. When the cylinder is retracted, the two components act as a fixed length link, with the middle pivot point maintained slightly off center with respect to the two outer pivot points by a stop member. When the cylinder is extended, the middle pivot moves away from the centerline joining the two outer pivot points to allow the overall length to either lengthen or shorten. The towed vehicle is therefore free to rock with respect to the hitch and includes gauge and stabilizing wheels to maintain the implement in proper relationship with the ground contour. The link cylinder is plumbed into the hitch lift circuit so that when the implement is raised to transport position, the upper link automatically becomes fixed length and when the implement is lowered to operating position, the link automatically returns to a variable length configuration.
摘要翻译： 用于将工具连接到牵引车辆的三点牵引结构，其中上连杆通过被固定在板上的液压缸可变，以提供三个枢轴点。 当气缸缩回时，两个部件用作固定长度的连杆，中间的枢轴点通过止动件相对于两个外部枢转点保持稍微偏离中心。 当气缸延伸时，中间枢轴远离连接两个外部枢轴点的中心线移动，以允许总长度延长或缩短。 因此，拖曳车辆相对于挂车自由摇摆，并且包括量规和稳定轮以保持车身与地面轮廓的适当关系。 连杆缸被连接到牵引提升回路中，使得当工具升高到运输位置时，上连杆自动变为固定长度，当工具下降到工作位置时，连杆自动返回到可变长度配置。
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公开(公告)号：US4260172A
公开(公告)日：1981-04-07
申请号：US51302
申请日：1979-06-22
申请人： Vernon E. Rettig , John R. Myers
发明人： Vernon E. Rettig , John R. Myers
CPC分类号： B62D49/065 , A01B73/005 , B60D1/14
摘要： An implement hitch for ganging multiple implements and towing them forwardly in a field-working position and endwise in a transport position. Trusses extend between hitch assemblies on the implements to provide endwise spacing of the implements. Stabilizers extend rearwardly from the trusses to the front of the implements to maintain the proper fore-and-aft alignment while allowing the implements to move up and down freely over uneven terrain. A main beam pivotally connected to an outermost truss serves as a common link between a towing vehicle and the hitch assembly for both the field-working and transport positions. Transport wheel assemblies mounted near the rear of the implements are provided for raising and lowering the implements to and from the transport position. The inner transport wheel assemblies include means for automatically connecting the adjacent corners of adjacent implements together as they are raised. As the implements are lowered to the field-working position the adjacent corners are automatically disconnected so the implements can move vertically freely with respect to each other.
摘要翻译： 用于组合多个工具的实施钩，并且在现场工作位置向前拖动并且在运输位置终止。 桁架在工具上的连接组件之间延伸，以提供工具的最终间距。 稳定器从桁架向后延伸到工具的前部，以保持适当的前后对齐，同时允许工具在不平坦的地形上自由上下移动。 枢转地连接到最外面的桁架的主梁用作牵引车辆和牵引组件之间用于野外作业和运输位置的公共连杆。 设置在工具后部附近的传动轮组件被提供用于将工具升高和降低运送到运输位置。 内部输送轮组件包括用于在升起时将相邻器具的相邻拐角自动连接在一起的装置。 当工具降低到现场工作位置时，相邻的角部自动断开，因此工具可以相对于彼此垂直地自由移动。
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公开(公告)号：US5054560A
公开(公告)日：1991-10-08
申请号：US564015
申请日：1990-08-07
申请人： Daniel M. Foley , Vernon E. Rettig
发明人： Daniel M. Foley , Vernon E. Rettig
CPC分类号： A01B63/16 , A01B73/005
摘要： Lift arms on a gang of implements support transport wheels which are movable from a raised field-working position to a lowered endwise towing position. Several of the wheels at the forward and aft ends of the towed gang of implements are fitted with castering pivots located adjacent the wheel hubs close to the wheel centerlines to lessen side loading and tire scuffing during turns. The castering wheels include a caster control assembly having at least four functions. First, a lock feature includes a spring-biased pin selectively engageable with the control assembly to secure the wheels in an in-line position to permit easy backing of the implements in the towing configuration. Second, a contact on the implement frame which engages the caster control assembly when the wheels are raised off the ground, cams the caster wheel to a preselected field-working position and prevents rocking of the wheel. Third, a bellevue washer on the caster control assembly limits shimmying of the wheel during transport. Fourth, the caster control assembly cooperates with a stop member on the lift arm to limit the angle through which the wheel can pivot. Combinations of caster wheel and non-caster wheel lift arm arrangements to reduce side loads and wheel scuffing while providing towing stability include two forwardmost caster wheels with all remaining wheels uncastered when three and four implements are towed endwise. When five or more implements are towed endwise, the first two wheels and the last wheel are castered, with an additional central caster wheel provided on a six-unit arrangement.
摘要翻译： 在工具组上提升臂支撑运输轮，运输轮可从凸起的场工作位置移动到降低的向后牵引位置。 被拖曳的工具组的前端和后端的几个车轮装配有靠近车轮中心线的轮毂附近的脚轮枢轴，以减少轮辋中的侧向负载和轮胎磨损。 脚轮包括具有至少四个功能的脚轮控制组件。 首先，锁定特征包括可选择性地与控制组件接合的弹簧偏压销，以将车轮固定在线位置，以允许在拖曳结构中容易地对工具进行背衬。 第二，当车轮从地面上升起时，与脚轮控制组件接合的工具框架上的接触件将脚轮转动到预选的现场工作位置并防止车轮摇摆。 第三，施法者控制装置上的一个百叶窗垫圈限制了运输过程中轮子的闪烁。 第四，脚轮控制组件与提升臂上的停止构件配合以限制车轮可枢转的角度。 组合脚轮和非脚轮轮提升臂布置，以减少侧向载荷和轮胎磨损同时提供牵引稳定性包括两个最前面的脚轮，所有剩余的车轮都不会播放，当三个和四个工具向后拖动时。 当五个或更多的工具被牵引时，前两个车轮和最后一个车轮被转动，另外一个中央脚轮设置在六个单元的布置上。
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公开(公告)号：US4779471A
公开(公告)日：1988-10-25
申请号：US30762
申请日：1987-03-26
申请人： Vernon E. Rettig
发明人： Vernon E. Rettig
摘要： A compact drive assembly including a flexible drive for transmitting power from a ground engaging wheel or wheels to a driven mechanism such as a seed meter on an implement. A set of cross helical spur gears are mounted in an enclosed case. The input gear is clamped to the ground engaging wheel shaft, and the output gear is fastened to a shaft which drives a flexible cable. The flexible cable is enclosed in a flexible housing and is connected to the remainder of the drive train.
摘要翻译： 一种紧凑的驱动组件，其包括用于将动力从地面接合轮或车轮传递到诸如工具上的种子计量器的驱动机构的柔性驱动器。 一组十字螺旋正齿轮安装在封闭的外壳中。 输入齿轮夹紧在接地轮轴上，输出齿轮固定在驱动柔性电缆的轴上。 柔性电缆被封装在一个柔性外壳中，连接到传动系的其余部分。
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