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公开(公告)号：US5271561A
公开(公告)日：1993-12-21
申请号：US907708
申请日：1992-07-02
Applicant: Samuel Tobias , Robert M. Messinger , Donald R. Davidson
Inventor： Samuel Tobias , Robert M. Messinger , Donald R. Davidson
CPC classification number: A61H33/027 , A61H33/6063 , A61H2201/1238 , A61H2201/1253
Abstract: An outlet assembly for a water receptacle, such as a swimming pool, spa or the like, includes a pair of interchangeable discharge nozzles, one being a rotary discharge nozzle and the other being a linear discharge nozzle. A user may selectively interchange the rotary discharge nozzle and the linear discharge nozzle by withdrawing and inserting them through an outlet port sized and shaped so as to permit the user's hand to fit therein.
Abstract translation: 用于诸如游泳池，水疗中心等的水容器的出口组件包括一对可互换的排出喷嘴，一个是旋转排出喷嘴，另一个是线性排出喷嘴。 用户可以通过取出并将它们插入尺寸和形状的出口口来选择性地互换旋转排出喷嘴和线性排出喷嘴，以允许使用者的手装入其中。
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公开(公告)号：US5607224A
公开(公告)日：1997-03-04
申请号：US414521
申请日：1995-03-31
Applicant: Samuel Tobias , Donald R. Davidson , Robert H. Hanes
Inventor： Samuel Tobias , Donald R. Davidson , Robert H. Hanes
CPC classification number: F21S8/00 , F21V25/00 , F21W2131/401
Abstract: A housing for an underwater lighting fixture includes a wet niche formed from plastic and provided with three alternative grounding pathways. A conductor strap is attached to the niche by a threaded lug which extends through the strap and an adjacent wall of the niche to permit an internal ground wire and an external ground wire to be connected to the strap. As a further grounding assurance, the lighting fixture is grounded through a bracket which attaches to the conductor strap. The bracket also serves as a current collector to receive electrical charge from the surrounding water.
Abstract translation: 用于水下照明器具的壳体包括由塑料形成并具有三个备选接地路径的湿龛。 导体带通过螺纹凸耳连接到小孔，该螺纹凸耳延伸通过带子和相邻的小孔壁，以允许内部接地线和外部接地线连接到带子上。 作为进一步的接地保证，照明器具通过附接到导体带的支架接地。 支架还用作集电器以从周围的水接收电荷。
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公开(公告)号：US5432688A
公开(公告)日：1995-07-11
申请号：US30661
申请日：1993-03-12
Applicant: Samuel Tobias , Donald R. Davidson , Robert H. Hanes
Inventor： Samuel Tobias , Donald R. Davidson , Robert H. Hanes
CPC classification number: F21V17/168 , F21V23/001 , F21V25/00 , F21V27/02 , F21V31/005 , F21V31/04 , F21W2131/401
Abstract: A housing for an underwater lighting fixture includes a wet niche formed from plastic and provided with a grounding strap. The grounding strap is attached to the niche by a threaded lug which extends through the strap and an adjacent wall of the niche to permit an internal ground wire and an external ground wire to be connected to the strap. As a further grounding assurance, the lighting fixture may be grounded through the grounding strap, which mechanically and electrically attaches the lighting fixture to the niche.
Abstract translation: 用于水下照明器具的壳体包括由塑料形成并具有接地带的湿龛。 接地带通过螺纹凸耳连接到小孔，该螺纹延伸穿过带子和相邻的小孔壁，以允许内部接地线和外部接地线连接到带子上。 作为进一步的接地保证，照明器具可以通过接地带接地，接地线将照明器具机械地和电气地附接到利基。
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公开(公告)号：US20080202997A1
公开(公告)日：2008-08-28
申请号：US11975287
申请日：2007-10-18
Applicant: Donald R. Davidson , Bernhard Schaub , Melvyn L. Henkin , Jordan M. Laby
Inventor： Donald R. Davidson , Bernhard Schaub , Melvyn L. Henkin , Jordan M. Laby
IPC: E04H4/16
CPC classification number: E04H4/1654 , F16K11/20
Abstract: A debris bag for a swimming pool cleaning device includes a body having a debris collection cavity, an upper end and a lower end. The lower end engages the pool cleaner to receive debris from the pool ejected by the cleaner into the bag. The debris bag also includes a float coupled to the body. The float is positioned outside of and adjacent to the debris collection region of the bag so as to be separate from the lower end.
Abstract translation: 用于游泳池清洁装置的垃圾袋包括具有碎片收集腔体，上端和下端的主体。 下端接合游泳池清洁器，以将清洁剂喷射的池中的碎屑接收到袋中。 碎片袋还包括连接到身体的浮子。 浮子位于袋的碎片收集区域的外侧并且邻近袋子的下部，以与下端分开。
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公开(公告)号：US5871641A
公开(公告)日：1999-02-16
申请号：US952833
申请日：1997-11-25
Applicant: Donald R. Davidson
Inventor： Donald R. Davidson
Abstract: A device for filtering fluid includes a hollow housing (10) having a fluid inlet (26) and a fluid outlet (28). A filter element (50) formed of fluid permeable material is disposed within the housing (10) for filtering fluid entering the fluid inlet (26), the fluid passing through the element (50) and out the fluid outlet (28). The element has a generally cylindrical configuration with the permeable material forming a plurality of elongated, radially extending pleats (98). The pleats are supported by spacers (81) having a plurality of blades (102) attached to a web (106) with channels (104) therebetween. The element (50) is used as a septum for supporting a diatomaceous earth precoat. A regeneration piston (76) creates fluid flows within the filter that cause the element (50) to flutter, thereby displacing the diatomaceous earth precoat from the septum for regeneration.
Abstract translation: PCT No.PCT / US96 / 07182 Sec。 371日期：1997年11月25日 102（e）日期1997年11月25日PCT提交1996年5月30日PCT公布。 出版物WO96 / 38215 PCT 日期1996年12月5日一种用于过滤流体的装置包括具有流体入口（26）和流体出口（28）的中空壳体（10）。 由流体可渗透材料形成的过滤元件（50）设置在壳体（10）内，用于过滤进入流体入口（26）的流体，流体通过元件（50）并流出流体出口（28）。 元件具有大致圆柱形构造，其中可渗透材料形成多个细长的，径向延伸的褶皱（98）。 褶皱由具有多个叶片（102）的间隔件（81）支撑，叶片（102）附接到其上具有通道（104）的腹板（106）。 元件（50）用作支撑硅藻土预涂层的隔膜。 再生活塞（76）在过滤器内产生流体流动，导致元件（50）颤动，从而将硅藻土预涂层从隔膜移位以便再生。
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Patent Agency Ranking
公开(公告)号：US4955152A
公开(公告)日：1990-09-11
申请号：US388125
申请日：1989-07-31
Applicant: Donald R. Davidson , Pao-Ter Huang , H. David Rogers
Inventor： Donald R. Davidson , Pao-Ter Huang , H. David Rogers
IPC: D06F71/34
CPC classification number: D06F71/34
Abstract: A steam iron press employs first and second members and a lever mechanism connected to the second member and when manually actuated by an operator causing the second member to be moved to any position between a position of maximum separation and a position of engagement with respect to the first member. The second member receives water and converts the water into steam which is expelled through openings therein. A pump connected between the second member and a water reservoir feeds water to the second member. A cam mechanism is connected between the lever mechanism and the pump to only actuate the pump during a predetermined interval t between the instant of time T1 at which the lever mechanism has initiated movement of the second member toward the first member and the instant of time T2 at which an article to be pressed is squeezed between the two surfaces.
Abstract translation: 蒸汽熨烫机采用第一和第二构件和连接到第二构件的杠杆机构，并且当由操作者手动致动时，使第二构件移动到最大间隔位置和相对于第二构件的接合位置之间的任何位置 第一名成员 第二构件接收水并将水转化成通过其中的开口排出的蒸汽。 连接在第二构件和储水器之间的泵将水供应到第二构件。 凸轮机构连接在杠杆机构和泵之间，以仅在杠杆机构已启动第二构件朝向第一构件的时刻T1的时刻T1和时间T2之间的预定间隔t内致动泵 在两个表面之间挤压被压制物品。
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公开(公告)号：US5993753A
公开(公告)日：1999-11-30
申请号：US22352
申请日：1998-02-11
Applicant: Donald R. Davidson
Inventor： Donald R. Davidson
CPC classification number: B01F5/045 , B01F1/0033 , C02F1/688 , C02F1/505 , C02F1/76 , C02F2103/42
Abstract: A dual chemical feeder device treats a fluid simultaneously with two different chemical compositions which may not be wholly compatible. In an exemplary embodiment for application in swimming pools, hot tubs, spas and the like, a chlorinator is combined with a sanitizing canister in a chlorinator/sanitizer to chemically treat the full flow of water through the apparatus with a chlorine-based chemical composition and another chemical composition. In alternate embodiments, the chlorinator/sanitizer is configured as a parallel treatment unit and as a series treatment unit. In the series treatment unit, the full flow through the chlorinator also flows through the sanitizing media in the santizing canister, so that all the water is both chlorinated and sanitized by the chlorinator/sanitizer. In the parallel treatment unit, the flow within the unit is divided into two streams which are separately treated. These two separately treated streams are then reunited and mixed together in the outlet chamber so that the water is both chlorinated and sanitized by the chlorinator/sanitizer.
Abstract translation: 双重化学饲料装置同时处理两种不完全相容的不同化学成分的流体。 在用于游泳池，热水浴缸，水疗等的示例性实施例中，将氯化员与氯化器/消毒剂中的消毒罐结合，以化学处理具有氯基化学组成的全部水流通过设备， 另一种化学成分。 在替代实施例中，氯化器/消毒器被配置为平行处理单元和串联处理单元。 在系列处理单元中，通过氯化器的全流量也流过量筒罐中的消毒介质，使得所有的水都被氯化器/消毒剂氯化和消毒。 在平行处理单元中，将单元内的流分为两个流，分别处理。 然后将这两个分开处理的物流团聚并在出口室中混合在一起，使得氯被氯化器/消毒剂氯化和消毒。
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公开(公告)号：US5591329A
公开(公告)日：1997-01-07
申请号：US456156
申请日：1995-05-31
Applicant: Donald R. Davidson
Inventor： Donald R. Davidson
Abstract: A device for filtering fluid includes a hollow housing having a fluid inlet and a fluid outlet. A filter element formed of fluid permeable material is disposed within the housing for filtering fluid entering the fluid inlet, the fluid passing through the element and out the fluid outlet. The element has a generally cylindrical configuration with the permeable material forming a plurality of elongated, radially extending pleats. The pleats are supported by spacers having a plurality of blades attached to a web with channels therebetween. The element is used as a septum for supporting a diatomaceous earth precoat. A regeneration piston creates fluid flows within the filter that cause the element to flutter, thereby displacing DE precoat from the septum for regeneration.
Abstract translation: 用于过滤流体的装置包括具有流体入口和流体出口的中空壳体。 由流体可渗透材料形成的过滤元件设置在壳体内，用于过滤进入流体入口的流体，流体穿过元件并流出流体出口。 该元件具有大致圆柱形构造，其中可渗透材料形成多个细长的，径向延伸的褶皱。 褶皱由具有多个叶片的间隔件支撑，所述多个叶片连接到幅材上，其间具有通道。 该元件用作支撑硅藻土预涂层的隔膜。 再生活塞在过滤器内产生流体流动，导致元件颤动，从而从隔膜移位DE预涂层用于再生。
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公开(公告)号：US4922637A
公开(公告)日：1990-05-08
申请号：US388126
申请日：1989-07-31
Applicant: Donald R. Davidson , Pao-Ter Huang , H. David Rogers
Inventor： Donald R. Davidson , Pao-Ter Huang , H. David Rogers
IPC: D06F71/34
CPC classification number: D06F71/34
Abstract: A steam iron press employs first and second members and a lever mechanism connected to a second member and when manually actuated by an operator causing the second member to be moved to any position between a position of maximum separation and a position of engagement with respect to the first member. The second member receives water and converts the water into steam which is expelled through openings therein. A pump connected between the second member and a water reservoir feeds water to the second member. A cam mechanism is connected between the lever mechanism and the pump to only actuate the pump during a predetermined interval t between the instant of time T1 at which the lever mechanism has initiated movement of the second member towards the first member and the instant of time T2 at which the article to be pressed is to be squeezed between the two surfaces.
Abstract translation: 蒸汽熨烫机采用第一和第二构件和连接到第二构件的杠杆机构，并且当由操作者手动致动时，使第二构件移动到最大间隔的位置和相对于第二构件的接合位置之间的任何位置 第一名成员 第二构件接收水并将水转化成通过其中的开口排出的蒸汽。 连接在第二构件和储水器之间的泵将水供应到第二构件。 凸轮机构连接在杠杆机构和泵之间，以仅在杠杆机构已经启动第二构件朝向第一构件的运动的时刻T1之间的预定间隔t和时间T2 待挤压的物品将被挤压在两个表面之间。
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公开(公告)号：US4434729A
公开(公告)日：1984-03-06
申请号：US221098
申请日：1980-12-29
Applicant: Donald R. Davidson
Inventor： Donald R. Davidson
CPC classification number: D05B3/243 , D05D2207/06
Abstract: A work manipulating mechanism for a sewing machine attachable to the presser bar thereof which utilizes a pair of spaced apart endless belts on a first drive plate to feed an endless quantity of work material through a sewing machine in the formation of an ornamental pattern or monogramming, the first drive plate being shiftable in an orthogonal direction by a second drive plate attachable to the presser bar of a sewing machine. The first drive plate may be shifted by a rack and pinion connection to a stepper motor supported on the second drive plate, and the work material may be shifted by a stepper motor connected to one of a pair of shafts carrying sprockets encircled by the endless belts in contact with the work material.
Abstract translation: 一种用于缝纫机的工作操作机构，其可连接到其压杆上，其在第一驱动板上利用一对间隔开的环形带，以通过缝纫机在装饰图案或组合图案的形成中供给无数量的作业材料， 第一驱动板可通过可附接到缝纫机的压杆的第二驱动板在正交方向上移动。 第一驱动板可以通过齿条和小齿轮连接移动到支撑在第二驱动板上的步进马达，并且可以通过连接到一对轴的步进马达来移动作业材料，所述一对轴承载环绕环形带的链轮 与工作材料接触。
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