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1. 发明授权

US4265199A Method and apparatus to assist in provoking forward movement of animals 失效
标题翻译：协助激发动物前进运动的方法和装置
公开(公告)号：US4265199A
公开(公告)日：1981-05-05
申请号：US2469
申请日：1979-01-10
申请人： Donald L. Hopkins
发明人： Donald L. Hopkins
IPC分类号： A01K1/00 , A01K15/02 , H05C1/04 , A01K15/00
CPC分类号： A01K1/0029 , A01K15/02 , H05C1/04 , Y10S119/908
摘要： Apparatus and a method for provoking forward movement of animals especially sheep comprising an electrode above a conducting floor located so as to engage a rear of the leg of the animal between a hock and the hoof, and a voltage generating mechanism to apply substantial voltage which is found to provoke such forward movement. The invention also includes an insulating cover for the electrodes which can be resiliently diverted when a sheep backs into it.
摘要翻译：用于激发特别是动物的动物的向前运动的装置和方法，包括在导电底板之上的电极，位于导电底板之间，以便在蹄和蹄之间接合动物腿部的后部，以及产生电压的电压产生机构，发现引发了这种向前的运动。本发明还包括用于电极的绝缘盖，当绝食羊回到其中时，它可以被弹性转移。

2. 发明授权

US4174762A Hydrostatic transmission with differential steering 失效
标题翻译：带差动转向的静液压传动
公开(公告)号：US4174762A
公开(公告)日：1979-11-20
申请号：US893202
申请日：1978-04-03
申请人： Donald L. Hopkins , Gordon W. Johnson
发明人： Donald L. Hopkins , Gordon W. Johnson
IPC分类号： B62D11/18 , B62D11/06
CPC分类号： B62D11/18
摘要： A vehicle includes a variable displacement fluid pump and a variable displacement hydrostatic motor for driving the tracks of the vehicle. An auxiliary reversible motor may be actuated in one and the other directions to provide steering of the vehicle through planetary drives associated with the tracks of the vehicle.
摘要翻译：车辆包括可变排量流体泵和用于驱动车辆轨道的可变排量静液压马达。可以在一个方向和另一个方向上致动辅助可逆电动机，以通过与车辆的轨道相关联的行星驱动器提供车辆的转向。

3. 发明授权

US4028890A Piston pump assembly utilizing load pressure control 失效
标题翻译：活塞泵组件利用负载压力控制
公开(公告)号：US4028890A
公开(公告)日：1977-06-14
申请号：US651887
申请日：1976-01-23
申请人： Cyril W. Habiger , Donald L. Hopkins
发明人： Cyril W. Habiger , Donald L. Hopkins
IPC分类号： F04B1/26 , F04B49/00 , F04B49/08
CPC分类号： F04B49/002 , F04B49/08
摘要： A piston pump having a housing and an angularly adjustable swash plate for controlling piston displacement and the flow of fluid discharged from the pump has control means for controllably positioning the swash plate in response to a load pressure.
摘要翻译：具有壳体和角度可调的斜盘的活塞泵具有用于控制活塞位移和从泵排出的流体流动的控制装置，用于响应于负载压力可控地定位斜板。

4. 发明授权

US3986701A Spade-like detent for hydraulic control valve 失效
标题翻译：液压控制阀的等离子体检测
公开(公告)号：US3986701A
公开(公告)日：1976-10-19
申请号：US539204
申请日：1975-01-06
申请人： Donald L. Hopkins
发明人： Donald L. Hopkins
IPC分类号： F16K35/02 , F16K11/07 , F16K35/04 , G05G1/00 , G05G5/03
CPC分类号： F16K11/0704 , Y10T292/0878 , Y10T74/20636
摘要： A detent mechanism for a reciprocably mounted valve spool includes a plunger mounted in a housing surrounding an end of said spool and including guide means for the plunger at its forward end and its rearward end to provide guide support of the plunger as it is biased into engagement with detent grooves formed on the valve spool. The detent assembly includes an assembly of parts including biasing means and guide means retained in their operative relationship with the plunger for ready insertion or removal from the housing.

5. 发明授权

US4312300A Sheep handling apparatus and methods of handling sheep 失效
标题翻译：绵羊处理设备和处理绵羊的方法
公开(公告)号：US4312300A
公开(公告)日：1982-01-26
申请号：US127758
申请日：1980-03-06
申请人： Donald L. Hopkins
发明人： Donald L. Hopkins
IPC分类号： A61D3/00 , A01K15/00
CPC分类号： A61D3/00
摘要： An arrangement for assisting handling of sheep which comprises a pen having at each end gates which can be both opened or closed simultaneously and which are used by being opened to attract sheep within the pen and there is provided an automatic device to effect a closing of both gates upon location of the sheep within the pen. Members are provided to automatically re-open the gates with the withdrawal of a sheep from the side of the pen using the movement of a divertible panel in the side. There are also other members to assist causing a sheep to be off balance when in the pen to assist in withdrawal from the side.
摘要翻译：一种用于协助处理绵羊的装置，其包括一个笔，每一端都有可以同时打开或关闭的门，并且被打开以吸引笔内的羊，并且提供了一种自动装置，以实现两者的关闭在钢笔内的羊的位置上的门。成员被设置为使用侧面上的可折叠面板的移动，从笔的一侧退出羊，自动重新打开门。还有其他成员协助使一只羊在笔中平衡，协助从侧面退出。

6. 发明授权

US4292931A Method and means for holding a sheep 失效
标题翻译：养羊的方法和手段
公开(公告)号：US4292931A
公开(公告)日：1981-10-06
申请号：US127756
申请日：1980-03-06
申请人： Donald L. Hopkins
发明人： Donald L. Hopkins
IPC分类号： A61D3/00 , A01K15/00
CPC分类号： A61D3/00
摘要： The method of handling sheep which includes the steps of locating a sheep on apparatus as set out in any one of the preceding claims and including the steps of firstly locating the sheep on the table on its back and immobilizing the sheep while in this position by urging the yoke against its rear portion at a location between jointly its rear legs and its body, then removing the said yoke from an engaging position against the sheep, rolling the sheep over onto its side and bringing together the two said members whereby to hold the front legs and the back legs at a location adjacent an upper end of each leg where this adjoins the body by having a "U" shaped space encompass the front and rear legs respectively, and then rolling the sheep over while its legs are so retained so that it eventually rolls to be fully supported on the restraining means holding its four legs and then pulling the two members apart so as to release the sheep.
摘要翻译： 1.一种处理绵羊的方法，其特征在于，包括如上述权利要求中任一项所述的将羊定位在设备上的步骤，其特征在于，还包括首先将羊定位在桌子上的步骤，轭在其后腿和其身体之间的位置处抵靠其后部，然后将所述轭脱离抵靠羊的接合位置，将羊滚动到其侧面并将两个所述构件汇合在一起，以将前部腿和后腿分别位于每个腿的上端附近的位置处，其中通过具有分别包围前腿和后腿的“U”形空间与身体相邻，然后在绵羊保持腿的同时滚动羊，使得最终卷起来完全支撑在保持其四条腿的约束装置上，然后将两个构件分开拉开以释放羊。

7. 发明授权

US4030623A Hydraulic circuitry for an excavator 失效
标题翻译：挖掘机液压回路
公开(公告)号：US4030623A
公开(公告)日：1977-06-21
申请号：US681366
申请日：1976-04-29
申请人： John W. Bridwell , Donald L. Hopkins , Kenneth R. Lohbauer
发明人： John W. Bridwell , Donald L. Hopkins , Kenneth R. Lohbauer
IPC分类号： B62D11/18 , E02F3/42 , E02F9/22 , F15B11/17 , E02F3/32
CPC分类号： B62D11/183 , E02F3/42 , E02F9/2221 , E02F9/2239 , E02F9/2282 , E02F9/2292 , E02F9/2296 , F15B11/17 , F15B2211/20538 , F15B2211/20553 , F15B2211/20576 , F15B2211/25 , F15B2211/30595 , F15B2211/3116 , F15B2211/329 , F15B2211/355 , F15B2211/6355 , F15B2211/67 , F15B2211/7058 , F15B2211/7142 , F15B2211/715 , F15B2211/78
摘要： A hydraulic circuit is provided for powering and controlling an excavator or the like, with a plurality of pumps supplying pressurized fluid for the circuit. The circuit is arranged so that fluid is provided in a manner to permit positive independent control of the various implement motors of the machine, with means provided so that fluid may also be combined to operate selected implement motors for faster operation and maximum efficiency of the machine.
摘要翻译：提供用于为挖掘机等供电和控制的液压回路，其中多个泵为该回路供应加压流体。电路被布置成使流体以允许对机器的各种实施马达进行正向独立控制的方式提供，其装置设置成使得流体也可以组合以操作选定的实施马达，以更快的运行和最大的效率的机器。

8. 发明授权

US4275685A Apparatus for the handling of sheep 失效
标题翻译：用于处理羊的装置
公开(公告)号：US4275685A
公开(公告)日：1981-06-30
申请号：US127757
申请日：1980-03-06
申请人： Donald L. Hopkins
发明人： Donald L. Hopkins
IPC分类号： A01K3/00 , A01K29/00
CPC分类号： A01K3/00
摘要： An arrangement for handling sheep which includes a circular pen having two barricades each radially aligned within the pen and being supported and aligned relative to an inlet and an outlet and with drive means connected to one of the movable barricades so that sheep can be urged through an outlet while another portion of the pen behind the moving barricade can be filled with sheep and by a realignment of the position of the barricades and a driving mechanism sheep can be driven through the same outlet with such reversal of direction of the barricades.
摘要翻译：一种用于处理绵羊的装置，包括一个圆形笔，两个路径在笔内径向对准，并且相对于入口和出口被支撑和对准，并且与驱动装置连接到一个可移动路障，以便可以通过出口，而移动路障后面的笔的另一部分可以被羊填充，并且通过重新排列路障的位置和驱动机构，绵羊可以通过相同的出口被驱动，从而路障的方向相反。

9. 发明授权

US4119169A Pump drive for hydrostatic machines with external gears 失效
标题翻译：带有外部齿轮的液压机械的泵驱动器
公开(公告)号：US4119169A
公开(公告)日：1978-10-10
申请号：US773046
申请日：1977-02-28
申请人： Donald L. Hopkins
发明人： Donald L. Hopkins
IPC分类号： B60K17/10
CPC分类号： B60K17/10 , Y10S60/916
摘要： The invention is concerned with an improvement in a vehicle comprising using a first pair of gears external of a pump compartment structure thereof, each of a first pair of gears meshed with and driven by a drive gear; and a pair of pump drive shafts each drivingly connected to a respective one of said pair of gears passing into said pump compartment structure and driving a respective one of a pair of hydrostatic pumps.
摘要翻译：本发明涉及一种车辆的改进，其包括使用其泵室结构外部的第一对齿轮，每个齿轮啮合并由驱动齿轮驱动; 以及一对泵驱动轴，每个泵驱动轴驱动地连接到通过所述泵室结构的所述一对齿轮中的相应一个齿轮并且驱动一对静液压泵中的相应一个。

10. 发明授权

US4028010A Reversible, variable-displacement piston pump with positioner means for automatic return to zero displacement 失效
标题翻译：具有定位器的可逆式可变排量活塞泵，可自动返回到零位移
公开(公告)号：US4028010A
公开(公告)日：1977-06-07
申请号：US588919
申请日：1975-06-20
申请人： Donald L. Hopkins
发明人： Donald L. Hopkins
IPC分类号： F04B1/32 , F04B49/08 , F04B1/26 , F16D31/02
CPC分类号： F04B49/08 , F04B1/324
摘要： A variable displacement pump having a tiltable swash plate including a pair of servo mechanisms for controlling discharge of pump fluid includes a zero displacement positioner for automatically returning the pump swash plate to a central, neutral position to discontinue pumping action if pump pressure is lost or if linkage controlling one of the servo mechanisms should break or otherwise fail.
摘要翻译：具有可倾斜斜盘的可变排量泵包括用于控制泵流体排放的一对伺服机构，包括一个零位移定位器，用于将泵斜盘自动返回到中心位置，以在泵压力损失时停止泵送动作联动控制一个伺服机构应该破坏或以其他方式失败。

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