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1. 发明授权

US4870992A Backflow prevention device 失效
标题翻译：防回流装置
公开(公告)号：US4870992A
公开(公告)日：1989-10-03
申请号：US138807
申请日：1987-12-28
申请人： Lawrence F. Irwin , Frank Irwin
发明人： Lawrence F. Irwin , Frank Irwin
IPC分类号： E03C1/288 , E03C1/298 , F16K15/14
CPC分类号： E03C1/298 , F16K15/147 , Y10T137/6988 , Y10T137/7882
摘要： A backflow prevention device for use in wastelines and the like having a one piece yieldably deformable valving member which permits free flow of liquids in one direction but blocks the flow of liquids and gasses in the opposite direction. Fluid flow through the device is directly proportional to the fluid pressure exerted on the valving member.
摘要翻译：一种用于废物等的防回流装置，其具有一片可屈曲变形的阀构件，其允许液体沿一个方向自由流动，但阻止液体和气体在相反方向上的流动。通过装置的流体流动与施加在阀门构件上的流体压力成正比。

2. 发明授权

US5862561A Waste line inspection and clean out device with water jet head 失效
公开(公告)号：US5862561A
公开(公告)日：1999-01-26
申请号：US893994
申请日：1997-07-16
申请人： Lawrence F. Irwin
发明人： Lawrence F. Irwin
IPC分类号： B08B9/04 , B08B9/053 , E03F7/12 , E03F9/00 , B08B9/02
CPC分类号： E03F9/005 , B08B9/045 , E03F7/12
摘要： A power driving waste line clean out tool which includes an elongated flexible coil spring formed from an elongated spring wire that is helically wound about a flexible water conduit. The water conduit provides water under relatively high pressure to a uniquely designed water jet clean out head assembly that is affixed to the end of the coil spring and is adapted to effectively break up and remove blockages formed in the sewer line being cleaned. A portion of the flexible coil spring is housed within a drum having a conoidal wall through which the coil spring is provided with a feed mechanism and is fed and retracted actually of itself as the drum is rotated. The water jet head assembly of the tool includes a spray head which can be securely connected to the coil spring, a cutter head assembly which can be removably interconnected with the spray head and a connector means of unique design for interconnecting the water conduit of the coil spring assembly with the plurality of water jets provided in the spray head and extending angularly outwardly relative to longitudinal axis of the waste line. Also provided proximate the outboard end of the coil spring assembly is a small video camera which is interconnected with a monitor carried by the frame of the device. Power, ground and fiber optic signal transmitting conduits for operating the video camera are carried within the flexible water conduit so that the blockage and the interior of the waste line can be clearly viewed by the operator.

3. 发明授权

US5414888A Grip handle chuck 失效
标题翻译：握柄卡盘
公开(公告)号：US5414888A
公开(公告)日：1995-05-16
申请号：US264899
申请日：1994-06-24
申请人： Lawrence F. Irwin
发明人： Lawrence F. Irwin
IPC分类号： E03F9/00 , B08B9/02
CPC分类号： E03F9/005 , Y10T279/17521 , Y10T279/17589 , Y10T279/17743
摘要： An improved plumbers' tool of the type employing a helically wound coiled spring which is controllably inserted into waste lines to remove blockages. In operating the tool of the invention, a storage drum from which the clean-out spring is payed out is rotated, usually by a small electric motor, and the spring is clamped in a chucking mechanism so as to rotate with the housing. The improvement of the present tool resides in the provision of a unique actuating mechanism which provides a substantial mechanical advantage that enables the operator, using only one hand to grip a forwardly positioned stationary handle with the fingers and move a pivotally movable, rearwardly positioned handle with the heel of the hand to cause the chucking mechanism to positively engage the coiled spring in a manner to prevent slippage even under severe torque loading conditions.
摘要翻译：一种改进的管道工工具，其采用螺旋缠绕的螺旋弹簧，其可控制地插入废物管线中以去除堵塞物。在操作本发明的工具时，通常通过小型电动机旋转出清除弹簧的储存鼓，弹簧夹紧在夹紧机构中以与壳体一起旋转。本工具的改进在于提供了一种独特的致动机构，其提供了实质的机械优点，其使得操作者能够仅使用一只手握住具有手指的向前定位的固定手柄并且将可转动的向后定位的手柄移动即使在严重的扭矩负载条件下，手的脚跟也能以防止滑动的方式使夹紧机构牢固地接合螺旋弹簧。

4. 发明授权

US5004119A Drain sealing apparatus 失效
标题翻译：排水密封装置
公开(公告)号：US5004119A
公开(公告)日：1991-04-02
申请号：US386633
申请日：1989-07-31
申请人： Lawrence F. Irwin
发明人： Lawrence F. Irwin
IPC分类号： E03C1/24 , E03C1/262
CPC分类号： E03C1/262 , E03C1/24 , E03C2001/2413
摘要： An apparatus for temporarily sealing a vent or overflow aperture provided in the upper portion of a fixture such as a wash basin, sink, bathtub or bidet so that a pneumatic or hydraulic type sewer cleanout device can be used to clear a blockage located in a sewer line downstream of the fixture by generating fluid pressure within the sewer line intermediate the blockage and the main water drain of the fixture.
摘要翻译：一种用于临时密封设置在诸如洗脸盆，水槽，浴缸或坐浴盆的固定装置的上部中的排气孔或溢流孔的装置，使得可以使用气动或液压式下水道清洁装置来清除位于下水道中的堵塞通过在下水道中产生流体压力在管道下游，在堵塞物和夹具的主要排水口之间。

5. 发明授权

US4816957A Ground line fault interrupter adapter unit 失效
标题翻译：地线故障断路器适配器单元
公开(公告)号：US4816957A
公开(公告)日：1989-03-28
申请号：US090046
申请日：1987-08-27
申请人： Lawrence F. Irwin
发明人： Lawrence F. Irwin
IPC分类号： H02H3/33 , H02H3/16
CPC分类号： H02H3/335 , H02H3/33
摘要： An adapter unit comprising a moisture resistant housing within which is carried an improved, self testing ground line fault interrupter device. The improved device is electrically interconnected with a connector carried externally of the adapter housing so that the unit can be plugged directly into a standard duplex outlet of an existing circuit. The apparatus includes circuitry that automatically tests the operability of the device when it is plugged into a duplex outlet without the need for manual manipulation of test buttons or other overt action by the user.
摘要翻译：一种适配器单元，包括防潮外壳，其中承载改进的自测地线故障断续器装置。改进的装置与适配器壳体外部承载的连接器电互连，使得该装置可以直接插入现有电路的标准双工插座。该设备包括当设备插入双工插座时自动测试设备的可操作性的电路，而不需要手动操纵测试按钮或用户的其他公开动作。

6. 发明授权

US3950934A Plumbers snake 失效
标题翻译：水管工蛇
公开(公告)号：US3950934A
公开(公告)日：1976-04-20
申请号：US557930
申请日：1975-03-13
申请人： Lawrence F. Irwin
发明人： Lawrence F. Irwin
IPC分类号： B08B9/02 , D07B1/00 , E03C1/302 , D07B1/16
CPC分类号： E03C1/302
摘要： An improved plumbers snake and the method of making same of unique construction having a metal core concentrically disposed within a coiled spring wire member and an intermediate resilient body in gripping engagement with the metal core. The intermediate body includes a helically-shaped protrusion extending along its length, the turns of which are interposed between and operably engage the coils of the spring wire member so as to yieldably resist axial bending of the snake and optimize rigidity and flexibility.
摘要翻译：一种改进的水管工蛇，以及使其具有同心地设置在螺旋弹簧丝构件内的金属芯和与金属芯夹紧接合的中间弹性体的独特结构的方法。中间体包括沿着其长度延伸的螺旋形突起，其弯曲部插入在弹簧丝构件的线圈之间并且可操作地接合弹簧丝构件的线圈，以便可靠地抵抗蛇的轴向弯曲并优化刚性和柔性。

7. 发明授权

US5996159A Waste line inspection and clean out device with water jet head 有权
标题翻译：废水管线检查和清水装置与喷水头
公开(公告)号：US5996159A
公开(公告)日：1999-12-07
申请号：US233858
申请日：1999-01-20
申请人： Lawrence F. Irwin
发明人： Lawrence F. Irwin
IPC分类号： B08B9/04 , B08B9/053 , E03F7/12 , E03F9/00 , B08B9/02
CPC分类号： E03F9/005 , B08B9/045 , E03F7/12
摘要： A power driving waste line clean out tool which includes an elongated flexible coil spring formed from an elongated spring wire that is helically wound about a flexible water conduit. The water conduit provides water under relatively high pressure to a uniquely designed water jet clean out head assembly that is affixed to the end of the coil spring and is adapted to effectively break up and remove blockages formed in the sewer line being cleaned. A portion of the flexible coil spring is housed within a drum having a conoidal wall through which the coil spring is provided with a feed mechanism and is fed and retracted actually of itself as the drum is rotated. The water jet head assembly of the tool includes a spray head which can be securely connected to the coil spring, a cutter head assembly which can be removably interconnected with the spray head and a connector means of unique design for interconnecting the water conduit of the coil spring assembly with the plurality of water jets provided in the spray head and extending angularly outwardly relative to longitudinal axis of the waste line. Also provided proximate the outboard end of the coil spring assembly is a small video camera which is interconnected with a monitor carried by the frame of the device. Power, ground and fiber optic signal transmitting conduits for operating the video camera are carried within the flexible water conduit so that the blockage and the interior of the waste line can be clearly viewed by the operator.
摘要翻译：电力驱动废物管线清理工具，其包括细长的柔性螺旋弹簧，其由围绕柔性水管道螺旋缠绕的细长弹簧丝线形成。水管道在相对较高的压力下将水提供给独特设计的水喷射清洁头组件，其固定到螺旋弹簧的端部并且适于有效地分解和去除在待清洁的下水道线中形成的堵塞物。柔性螺旋弹簧的一部分容纳在具有锥形壁的滚筒内，螺旋弹簧通过该锥形壁设置有进给机构，并且在滚筒旋转时实际上自身进给和缩回。工具的喷水头组件包括可以牢固地连接到螺旋弹簧的喷头，可以与喷头一起可拆卸地互连的刀头组件和用于互连线圈的水导管的独特设计的连接器装置弹簧组件，其中设置有多个喷水头并且相对于废物管线的纵向轴线成角度地向外延伸。还设置在螺旋弹簧组件的外侧附近的是与由装置的框架承载的监视器互连的小型摄像机。用于操作摄像机的电源，地面和光纤信号传输管道在柔性水管道内承载，使得操作人员可以清楚地看到废物管线的堵塞和内部。

8. 发明授权

US4942873A Resuscitation device 失效
标题翻译：复苏装置
公开(公告)号：US4942873A
公开(公告)日：1990-07-24
申请号：US245561
申请日：1988-09-16
申请人： Lawrence F. Irwin , Frank R. Irwin
发明人： Lawrence F. Irwin , Frank R. Irwin
IPC分类号： A61M16/00
CPC分类号： A61M16/0048 , Y10S128/912
摘要： A mouth-to-mouth resuscitation device embodying a novel, one piece resiliently deformable valving member which permits flow of air through the device in a direction toward the patient but effectively blocks flow of air and fluids in the opposite direction.
摘要翻译：一种口对口复苏装置，其体现了一种新颖的单件可弹性变形的阀构件，其允许空气沿朝向患者的方向流过装置，但是有效地阻止空气和流体在相反方向上的流动。

9. 外观设计

USD298071S Sewer cleanout apparatus 失效
公开(公告)号：USD298071S
公开(公告)日：1988-10-11
申请号：US776121
申请日：1985-09-13
申请人： Lawrence F. Irwin
设计人： Lawrence F. Irwin

10. 发明授权

US4716613A Pipe cleaning machine 失效
标题翻译：管道清洗机
公开(公告)号：US4716613A
公开(公告)日：1988-01-05
申请号：US843654
申请日：1986-03-25
申请人： Lawrence F. Irwin
发明人： Lawrence F. Irwin
IPC分类号： B08B9/02 , B08B9/04 , B65H75/34 , B65H75/36 , B65H75/38 , E03C1/302 , E03F9/00
CPC分类号： E03F9/005 , B08B9/045 , B65H75/305 , B65H75/364
摘要： An improved pipe cleaning machine of the type which uses an elongated flexible coil spring or plumber's snake formed of helically wound spring wire which is housed within a rotatable spring storage reel, or drum, and is withdrawn therefrom for insertion into the pipe to be cleaned. The machine of the present invention embodies a novel dual drive arrangement which enables the drum to be rotated and the spring wire, or snake, fed into the pipe either by means of a small electric hand drill, which can be affixed to one shaft of the dual drive arrangement, or by a hand crank which can be detachably interconnected with a second shaft of the dual drive arrangement.
摘要翻译：一种改进的管道清洁机，其使用由螺旋缠绕的弹簧丝制成的细长柔性螺旋弹簧或管道工蛇，该弹簧线容纳在可旋转的弹簧储存卷轴或滚筒内，并从其中取出以插入待清洁的管中。本发明的机器体现了一种新型的双驱动装置，其使得滚筒能够旋转，并且弹簧丝或蛇通过小型电手钻进入管中，该小型电手钻可以固定到双驱动装置，或通过可与双驱动装置的第二轴可拆卸地互连的手动曲柄。

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