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1. 发明授权

US4977674A Vehicle with telescopic boom for power driven plant trimming tools 失效
标题翻译：带动力驱动植物修剪工具的伸缩臂车
公开(公告)号：US4977674A
公开(公告)日：1990-12-18
申请号：US399878
申请日：1989-08-29
申请人： Jacobus C. van der Merwe , Lucas C. van der Merwe
发明人： Jacobus C. van der Merwe , Lucas C. van der Merwe
IPC分类号： A01G3/04
CPC分类号： A01G3/0408
摘要： A device for supplying power to a plurality of power driven plant trimming tools is formed by a wheeled vehicle having a pair of driving wheels mounted on a vehicle frame. At least one steered wheel is rotatably mounted on the vehicle frame and is pivotal about a vertical axis for steering the vehicle. An engine is supported by the vehicle frame, and a power source is driven by the engine for supplying power to the power driven plant trimming tools. A telescopic arm and connector supporting structure, having a pair of telescopic arms is provided. A plurality of telescopic sections form each telescopic arm. Each telescopic section is constructed as a lattice. A hollow tube forms a part of each lattice and is interconnected with hollow tubes forming a part of other lattices of the telescopic arm. An operating fluid transmission and supply connection is disposed between adjacent telescopic sections for both supplying power from the power source to the power driven plant trimming tools and for fluidly interconnecting the adjacent telescopic sections. A hydraulic drive for propelling the vehicle is also provided. The hydraulic drive is also driven by the engine.This application is a continuation-in-part of application Ser. No. 07/067,862, filed June 30, 1987, which is a continuation-in-part of application Ser. No. 06/886,801, filed July 18, 1986, now U.S. Pat. No. 4,694,577.
摘要翻译：用于向多个动力驱动的植物修剪工具供电的装置由具有安装在车架上的一对驱动轮的轮式车辆形成。至少一个转向轮可旋转地安装在车架上，并且绕垂直轴线枢转以转向车辆。发动机由车架支撑，并且动力源由发动机驱动以向动力驱动的植物修剪工具供电。提供具有一对伸缩臂的伸缩臂和连接器支撑结构。多个伸缩部分形成每个伸缩臂。每个伸缩部分被构造成格子。中空管形成每个格子的一部分，并与形成伸缩臂的其他格子的一部分的中空管相互连接。工作流体传输和供应连接设置在相邻的伸缩部分之间，用于从动力源向动力驱动的植物修剪工具供电并且用于使相邻的伸缩部分流体互连。还提供用于推进车辆的液压驱动装置。液压传动也由发动机驱动。该应用程序是应用程序Ser的部分继续。 1987年6月30日提交的第07 / 067,862号，其是申请序列号的部分继续申请。 1986年7月18日提交的现在的美国专利No.6 / 886,801。第4,694,577号。

2. 发明授权

US4867131A Combined heating dish and storage container for food 失效
标题翻译：组合加热盘和食物储存容器
公开(公告)号：US4867131A
公开(公告)日：1989-09-19
申请号：US317445
申请日：1989-03-01
申请人： Jacobus C. van der Merwe , Lucas C. van der Merwe , Johannes Horn
发明人： Jacobus C. van der Merwe , Lucas C. van der Merwe , Johannes Horn
IPC分类号： A47J36/28 , F24V30/00
CPC分类号： F24J1/00 , A47J36/28
摘要： This invention relates to a combined heating dish and storage container comprising an outer container formed of insulating material for low heat conduction. The outer container includes a first recess centrally formed in a surface of the outer container and a second recess formed in the surface and disposed at one lateral side of the first recess. A water filled bag is received within the first recess, and a layer of dehydrated lime provided within the first recess in an amount sufficient to cover the water filled bag. A food containing package is placed on the layer of dehydrated lime and received within the first recess. A ripcord for releasing water from the water filled bag so that the water is released and allowed to flow into the layer of lime is provided. The lime undergoes an exothermic reaction as it is exposed to the water to heat food within the food containing package. Eating utensils are disposed within the second recess so that a user may consume food which has been heated as a result of the exothermic reaction.
摘要翻译：本发明涉及一种组合加热盘和储存容器，其包括由用于低热传导的绝缘材料形成的外容器。外部容器包括中央形成在外部容器的表面中的第一凹部和形成在表面中并设置在第一凹部的一个侧面处的第二凹部。在第一凹部内容纳充水袋，并且在第一凹部内提供足够覆盖充满水的袋子的脱水石灰层。食品包装被放置在脱水石灰层上并被收纳在第一凹槽内。提供了一种用于从充满水的袋释放水以使水被释放并允许流入石灰层的撕开。当石灰暴露于水中以加热含食品包装内的食物时，石灰发生放热反应。餐具设置在第二凹部内，使得使用者可以消耗由于放热反应而被加热的食物。

3. 外观设计

USD313955S Trailer 失效
公开(公告)号：USD313955S
公开(公告)日：1991-01-22
申请号：US221238
申请日：1988-07-19
申请人： Jacobus C. van der Merwe , Lucas C. van der Merwe
设计人： Jacobus C. van der Merwe , Lucas C. van der Merwe

4. 发明授权

US4860454A Self-propelled, self-steered vehicle for power driven plant trimming tools 失效
标题翻译：自行车，自动车辆用于动力驱动的植物修剪工具
公开(公告)号：US4860454A
公开(公告)日：1989-08-29
申请号：US67862
申请日：1987-06-30
申请人： Jacobus C. van der Merwe , Lucas C. van der Merwe
发明人： Jacobus C. van der Merwe , Lucas C. van der Merwe
IPC分类号： A01G3/04
CPC分类号： A01G3/0408
摘要： A self-propelled, self-steered vehicle for carrying a source of pressurized fluid to power and operate a plurality of manually controlled trimming tools for trimming plants in a cultivated field. The vehicle may have one of two steering devices. One steering device includes a steering lever connected to a steered wheel carrier. The steering lever includes a cable guiding element which cooperates with a guiding cable passing therethrough to constantly orient the steering lever towards an anchored end of the cable so that the wheeled vehicle automatically follows the entire unwound length of the guiding cable. Another steering device includes feelers extending outwardly of the vehicle to contact fixed objects to cause, by cooperation of the feelers with sprockets, steered wheels of the vehicle to turn away from a fixed object contacted by a feeler. Additionally, pressurized fluid from the pressurized fluid source is passed through moisture trapping baffles fitted in the supporting frame of the vehicle. The moisture content of the pressurized fluid is thereby minimized to avoid the presence of ice in connecting air conduits and freeze up of trimming tools.
摘要翻译：一种用于携带加压流体源的自推进的自动导向的车辆，用于为栽培场中的植物修剪而操作多个手动控制的修剪工具。车辆可以具有两个转向装置中的一个。一个转向装置包括连接到转向轮架的转向杆。转向杆包括一个电缆引导元件，该引导元件与通过其中的引导电缆配合，以使转向杆朝着电缆的锚定端恒定地定向，使得轮式车辆自动跟随引导电缆的整个退绕长度。另一个转向装置包括从车辆向外延伸的触片以接触固定的物体，以通过与链轮的触发器协作，使车辆的转向轮离开与触发器接触的固定物体。此外，来自加压流体源的加压流体通过装配在车辆的支撑框架中的湿气捕获挡板。加压流体的含水量由此最小化，以避免在连接空气管道中存在冰并冻结修剪工具。

5. 外观设计

USD310799S Trailer stand 失效
公开(公告)号：USD310799S
公开(公告)日：1990-09-25
申请号：US221239
申请日：1988-07-19
申请人： Jacobus C. van der Merwe , Lucas C. van der Merwe
设计人： Jacobus C. van der Merwe , Lucas C. van der Merwe

6. 发明授权

US4949461A Dual control handle for pneumatic tree trimmer 失效
标题翻译：气动树木修剪机双控制手柄
公开(公告)号：US4949461A
公开(公告)日：1990-08-21
申请号：US317587
申请日：1989-03-01
申请人： Jacobus C. van der Merwe , Lucas C. van der Merwe
发明人： Jacobus C. van der Merwe , Lucas C. van der Merwe
IPC分类号： A01G3/033 , B26B15/00
CPC分类号： B26B15/00 , A01G3/0255 , A01G3/033 , Y10T29/53996
摘要： A trimmer device is disclosed which comprises cutting blades which are to be used for a trimming operation. A hollow air hose, through which pressurized fluid is supplied to the trimmer device, is provided. First and second selectively openable and closable valves are connected with one another and are disposed between the cutting blades and the hollow air hose. The trimmer device is formed with a passage therein which connects the hollow air hose to the first selectively openable and closable valve, the second selectively openable and closable valve, and the cutting blades. Handles, by which an operator can manually open and close each of the first and second selectively openable and closable valves independently, are pivotally mounted on the trimmer device. Each of the first and second selectively openable and closable valves are biased into a closed position prior to the trimming operation. Pressurized fluid is allowed to pass from the air hose, through which pressurized fluid is supplied, to the cutting blades to perform the trimming operation only when both of the first and second selectively openable and closable valves are manually opened by the operator.
摘要翻译：公开了一种修剪装置，其包括用于修剪操作的切割刀片。提供了一种中空空气软管，通过该空气软管将加压流体供应到修剪器装置。第一和第二选择性地打开和关闭的阀彼此连接并且设置在切割刀片和中空空气软管之间。修剪装置在其中形成有通道，其中的中空空气软管连接到第一选择性可打开和关闭的阀，第二可选择打开和关闭的阀以及切割刀片。操作者可以手动地手动地打开和关闭每个第一和第二可选择打开和关闭的阀独立的手柄，可枢转地安装在修剪器装置上。在修整操作之前，第一和第二可选择性地打开和关闭的阀中的每一个被偏压到关闭位置。只有当操作者手动打开第一和第二选择性开启和关闭的阀门时，加压流体才能从加压流体供应的空气软管通过切割刀片进行修整操作。

7. 发明授权

US4694577A Self-propelled, self-steered vehicle for power driven plant trimming tools 失效
标题翻译：自行车，自动车辆用于动力驱动的植物修剪工具
公开(公告)号：US4694577A
公开(公告)日：1987-09-22
申请号：US886801
申请日：1986-07-18
申请人： Jacobus C. van der Merwe , Lucas C. van der Merwe
发明人： Jacobus C. van der Merwe , Lucas C. van der Merwe
IPC分类号： A01G3/04 , B23D45/20
CPC分类号： A01G3/0408
摘要： A self-propelled, self-steered vehicle for carrying a source of pressurized fluid to power and operate a plurality of manually controlled trimming tools for trimming plants in a cultivated field. The vehicle has a steering device that includes a pilot wheel that follows a pre-formed furrow, and that causes movement of a steered wheel to follow lateral deviations of the furrow and thereby steer the unit therealong. The vehicle draws a trailer that carries a supporting structure including a vertically telescopic boom and a pair of transversely extending telescopic arms that support a plurality of coiled branch conduits that communicate with an air compressor carried by the vehicle and that terminate in suitable connectors. The conduits provide compressed air to the respective trimming tools at transversely spaced positions relative to the vehicle, to permit a plurality of trimmer tool operators to simultaneously trim a plurality of plants or trees.
摘要翻译：一种用于携带加压流体源的自推进的自动导向的车辆，用于为栽培场中的植物修剪而操作多个手动控制的修剪工具。车辆具有转向装置，该转向装置包括跟随预成形沟槽的导向轮，并且导致转向轮的移动以跟随沟槽的横向偏离，从而引导该单元沿着其移动。车辆牵引一拖车，该拖车具有支撑结构，该支架结构包括垂直伸缩臂和一对横向延伸的伸缩臂，所述伸缩臂支撑多个与车辆承载的空气压缩机连通并且以合适的连接件终止的线圈分支管道。导管在相对于车辆的横向隔开的位置处向相应的修剪工具提供压缩空气，以允许多个修剪工具操作者同时修剪多个植物或树木。

8. 发明授权

US4347880A Tree trimmers 失效
标题翻译：树苗
公开(公告)号：US4347880A
公开(公告)日：1982-09-07
申请号：US216782
申请日：1980-12-15
申请人： Jacobus C. van der Merwe
发明人： Jacobus C. van der Merwe
IPC分类号： A01G3/033 , B26B15/00 , B27L1/00
CPC分类号： A01G3/033
摘要： A tree trimmer has a pruning head adapted to be operated by a reciprocable rod to perform a cutting action and to open up. A double acting compressed air operated linear thrustor causes an actuating rod to recipricate. A standpipe, which is composed of a series of tubes detachably and rigidly screwed together, is interposed between a casing of the thrustor and the pruning head. A solid plug is formed at one end of each tube with a guide hole. A series of connecting rods detachably and rigidly screwed together pass through the guide holes. The series of connecting rods are connected at one end to the actuating rod and at the other end to the reciprocable rod.
摘要翻译：树木修剪机具有修剪头，其适于由可往复运动的杆操作以执行切割动作并打开。双作用的压缩空气操作的直线推进器使得致动杆被收集。由可拆卸地且刚性地拧在一起的一系列管组成的立管插入在推进器的壳体和修剪头之间。在每个管的一端形成有一个导向孔的实心塞。可拆卸且刚性地拧在一起的一系列连接杆穿过导孔。一系列连杆在一端连接到致动杆，另一端连接到往复杆上。

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