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1. 外观设计

USD296230S Spray tube supporting end for an oscillating sprinkler 失效
公开(公告)号：USD296230S
公开(公告)日：1988-06-14
申请号：US850414
申请日：1986-04-07
申请人： Ho Chow , Jeffrey Kapec , Kazuna Tanaka
设计人： Ho Chow , Jeffrey Kapec , Kazuna Tanaka

2. 外观设计

USD296231S Spray tube driving end for an oscillating sprinkler 失效
公开(公告)号：USD296231S
公开(公告)日：1988-06-14
申请号：US850418
申请日：1986-04-07
申请人： Ho Chow , Jeffrey Kapec , Kazuna Tanaka
设计人： Ho Chow , Jeffrey Kapec , Kazuna Tanaka

3. 发明授权

US5007588A Aspiration-type sprayer 失效
标题翻译：吸气式喷雾器
公开(公告)号：US5007588A
公开(公告)日：1991-04-16
申请号：US281559
申请日：1988-12-08
申请人： Ho Chow , Joseph E. Testa
发明人： Ho Chow , Joseph E. Testa
IPC分类号： B05B7/24
CPC分类号： B05B7/2448
摘要： An aspiration sprayer comprises a head which is preferably permanently attached to a container in which additive material is received. The head may or may not be movable between positions controlling the degree of aspiration affected, and is provided with a cap movable between a first position in which the cap seals the container and prevents the additive material from escaping therefrom and a second position in which the container is unsealed and aspiration of the contents thereof can take place. Elements may be provided as part of the sprayer assembly for controlling the flow of the aspirating fluid. The cap is secured in its sealing position by an element which requires special manipulation for release, thereby providing an important safety feature.
摘要翻译：抽吸式喷雾器包括头部，其优选地永久地附接到容纳有添加剂材料的容器中。头部可以在控制受影响程度的位置之间移动也可以不移动，并且设置有可在第一位置和第二位置之间移动的盖子，帽子在其中密封容器并防止添加剂材料从其中逸出，第二位置容器是未密封的，并且其内容物的吸入可以发生。可以提供元件作为喷雾器组件的一部分，用于控制抽吸流体的流动。盖子通过需要特殊操作释放的元件固定在其密封位置，从而提供重要的安全特征。

4. 发明授权

US4721248A Readily assembleable oscillating sprinkler 失效
标题翻译：易于组装的摆动洒水器
公开(公告)号：US4721248A
公开(公告)日：1988-01-26
申请号：US852030
申请日：1986-04-14
申请人： Ho Chow
发明人： Ho Chow
IPC分类号： B05B3/16 , B05B1/00 , B05B3/00 , F16D1/00
CPC分类号： B05B3/044 , Y10T24/45581 , Y10T403/32155 , Y10T403/53
摘要： An oscillating sprinkler is specially designed to facilitate assembly, as well as disassembly for purposes of repair of replacement of parts, without sacrifice of water-tight integrity and with improved operating characteristics. The housing for the impulse wheel and for supporting one end of the sprinkler tube is formed of two parts snapped together to effect the necessary seal, the sprinkler tube is mounted therein by a snap action insertion, thereby to define an operating subassembly, and that subassembly is reliably assembled with a mounting subassembly by sliding insertion and snap action retention. The sprinkler tube is sealingly journaled in such a manner as to produce very low friction, thus reducing the load on the impeller wheel and enabling the sprinkler to have a very low pressure drop therethrough, thereby increasing the sprinkling range of the device. The linkage between the impeller wheel and the sprinkler tube is manually accessible and is provided with a snap connection so that the linkage can readily be manually disconnected and connected. The construction lends itself to producing a low-profile, low cost unit.
摘要翻译：振荡式喷洒器专门设计用于方便组装，以及拆卸，以维修零件的更换，而不牺牲防水的完整性和改进的操作特性。用于脉冲轮并用于支撑喷洒管的一端的壳体由两个部件形成，其中两个部件卡扣在一起以实现必要的密封，喷洒管通过卡扣动作插入安装在其中，从而限定操作子组件，并且该组件通过滑动插入和卡扣动作保持可靠地与安装子组件组装。洒水管以密封的方式密封安装，以便产生非常低的摩擦，从而减小了叶轮的负载，并使得喷头能够通过其中的非常低的压力降，从而增加了装置的喷洒范围。叶轮和喷洒管之间的联动是可手动接触的，并且具有卡扣连接，使得连杆可以容易地手动断开连接。该建筑可以生产一个低调，低成本的单元。

5. 发明授权

US4497441A Pulsating sprinkler 失效
标题翻译：脉动喷水灭火器
公开(公告)号：US4497441A
公开(公告)日：1985-02-05
申请号：US488203
申请日：1983-04-25
申请人： Ho Chow
发明人： Ho Chow
IPC分类号： B05B3/16 , B05B3/14
CPC分类号： B05B3/0481 , B05B3/0477
摘要： A pulsating sprinkler utilizes an improved method of anchoring the helical torsion spring at one end to the sprinkler body and at the other end to the impact arm to facilitate the assembly process and provide a more reliable and uniform spring action. A radially ridged member adapted for connection to a fluid source carries a pair of sector stops, each extending totally about a circumference thereof and having a single tab enabling rotation of the sector stop in both directions. When employed as a full circle sprinkler, the sprinkler automatically corrects the direction of rotation of the sprinkler body in the event that it initially rotates in the wrong direction.
摘要翻译：脉动喷洒器利用改进的方法，将螺旋扭转弹簧的一端锚定到喷洒器本体，另一端将锚固在冲击臂上，以便于组装过程并提供更可靠和均匀的弹簧作用。适于连接到流体源的径向脊状构件承载一对扇形止动件，每个扇形止动件总体上围绕其圆周延伸并且具有允许扇形止动件沿两个方向旋转的单个翼片。当作为全圆喷头使用时，洒水器在最初以错误的方向旋转的情况下自动校正喷头主体的旋转方向。

6. 发明授权

US4216982A Speed slip-on hose coupler 失效
标题翻译：速度滑软管接头
公开(公告)号：US4216982A
公开(公告)日：1980-08-12
申请号：US973114
申请日：1978-12-26
申请人： Ho Chow
发明人： Ho Chow
IPC分类号： F16L37/22 , F16L37/18
CPC分类号： F16L37/22
摘要： A speed slip-on type of hose coupler structured to enable ready coupling and uncoupling of the male and female coupler bodies by way of an interlocking means for the coupler bodies and a releasing device for the interlocking means. The interlocking means comprises a unitary or one-piece locking element having locking portions connected by a resiliently arcuately expansible portion.
摘要翻译：一种速度滑动式软管接头，其构造为能够通过用于联接器主体的联锁装置和用于互锁装置的释放装置来准确地联接和脱离阳联接器和阴联接器本体。互锁装置包括具有通过弹性弧形可膨胀部分连接的锁定部分的整体或单件式锁定元件。

7. 发明授权

US4978070A Pulsating sprinkler 失效
标题翻译：脉动喷水灭火器
公开(公告)号：US4978070A
公开(公告)日：1990-12-18
申请号：US392737
申请日：1989-08-11
申请人： Ho Chow
发明人： Ho Chow
IPC分类号： B05B3/04
CPC分类号： B05B3/0472
摘要： A pulsating sprinkler incorporating a three-position trip mechanism facilitating forward/reverse rotation and continuous rotation. The trip mechanism includes a trigger for reversing direction of rotation of the sprinkler, a latch for engaging an impact arm, and a control arm for maintaining the trigger in a fixed position. The trigger, latch and control arm are joined to a common pivot on the sprinkler body. A multiple position diffuser and deflector lever is adjustable for various degrees of diffusion or deflection of a water stream. The sprinkler body is easily removed from the bushing assembly by compression of snap fingers located at a terminal end of the spring body. Further, an O-ring radially seals a space between the bushing assembly and the sprinkler body. An impact arm having two plates with separated vanes extending between the plates or an impact arm with a single plate with two downwardly projecting vanes may be used for ease in molding and increasing manufacturing efficiency.
摘要翻译：一种包含三位置脱扣机构的脉动喷洒器，有助于正向/反向旋转和连续旋转。脱扣机构包括用于反转喷洒器的旋转方向的触发器，用于接合冲击臂的闩锁以及用于将触发器保持在固定位置的控制臂。触发器，闩锁和控制臂连接到喷头主体上的公共枢轴。多位扩散器和偏转杆可调节水流的各种扩散或偏转程度。通过压缩位于弹簧体的末端的卡扣指状物，可以容易地从衬套组件移除喷洒头主体。此外，O形环径向地密封衬套组件和喷洒器主体之间的空间。具有两个板的冲击臂具有在板之间延伸的具有分离的叶片的冲击臂或具有带有两个向下突出的叶片的单板的冲击臂可以用于模制成型和提高制造效率。

8. 外观设计

USD285240S Base for rotary sprinkler 失效
公开(公告)号：USD285240S
公开(公告)日：1986-08-19
申请号：US681364
申请日：1984-12-13
申请人： Ho Chow , Gordon R. Perry
设计人： Ho Chow , Gordon R. Perry

9. 发明授权

US4335852A Device for controlling the flow of fluid 失效
标题翻译：用于控制流体流动的装置
公开(公告)号：US4335852A
公开(公告)日：1982-06-22
申请号：US145798
申请日：1980-05-01
申请人： Ho Chow
发明人： Ho Chow
IPC分类号： A01G25/16 , G01F11/00 , G01F15/00 , A01G27/00
CPC分类号： G01F11/00 , A01G25/165 , G01F15/001 , B05B15/063 , B05B3/0409 , Y10T137/86397
摘要： A device to control the flow of fluid uses a cam and ratchet wheel. A valve is operated by the cam portion of the wheel, which bears against the valve stem causing it to open. Fluid flow causes a pawl to drive the ratchet portion of the wheel, rotating the wheel until the valve stem bears against a low point in the cam, permitting the valve to close. A part of the ratchet portion does not contain ratchet teeth, in which area the pawl cannot drive the wheel. In this area, the cam has an increasing radius from a radius corresponding to a closed valve, to a radius corresponding to a fully open valve. This permits manual control of fluid flow without disengagement of the device.
摘要翻译：用于控制流体流动的装置使用凸轮和棘轮。阀由轮的凸轮部分操作，该凸轮部分支撑在阀杆上，使其打开。流体流动导致棘爪驱动车轮的棘轮部分，旋转车轮直到阀杆抵住凸轮中的低点，允许阀关闭。棘轮部分的一部分不包含棘齿，棘爪不能驱动车轮。在该区域中，凸轮从对应于关闭阀的半径的半径增加到对应于完全打开的阀的半径。这允许在不脱离装置的情况下手动控制流体流动。

10. 发明授权

US4137939A Hose reel cart 失效
标题翻译：软管卷轴车
公开(公告)号：US4137939A
公开(公告)日：1979-02-06
申请号：US840971
申请日：1977-10-11
申请人： Ho Chow
发明人： Ho Chow
IPC分类号： B65H75/40 , B65H75/34
CPC分类号： B65H75/403 , B65H2701/33 , Y10T137/6918 , Y10T137/6958
摘要： A portable hose reel cart comprises a cart frame, a rotatable reel, and wheels secured to said frame. The frame comprises a handle portion, a support portion, and a pair of angled intermediate portions disposed on opposite sides of the frame and connecting the handle and support portions. The reel is secured to the frame and adapted for rotation about an axis intersecting the intermediate portions, and the wheels are adapted to form with the support a stable base for the frame. The resultant cart is movable to a first stable and generally upright reeling position wherein the frame is supported by the wheels and support portion, a second stable and generally horizontal unreeling position wherein the frame is supported by both the handle and support portions with the reel being free for rotation, and a third unstable transporting position wherein the frame is supported essentially by only the wheels of the cart.
摘要翻译：便携式软管卷轴推车包括一个推车架，一个可转动的卷轴和固定到所述框架的轮子。框架包括手柄部分，支撑部分和设置在框架的相对侧上并连接手柄和支撑部分的一对成角度的中间部分。卷轴被固定到框架并且适于围绕与中间部分相交的轴线旋转，并且轮适于与支架形成用于框架的稳定基座。所得到的推车可移动到第一稳定且大致垂直的卷取位置，其中框架由轮和支撑部分支撑，第二稳定且大致水平的展开位置，其中框架由手柄和支撑部分两者支撑，自由旋转，第三不稳定运输位置，其中框架基本上仅由推车的车轮支撑。

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