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    • 1. 发明授权
    • Fiber optic connector
    • 光纤连接器
    • US6062739A
    • 2000-05-16
    • US121634
    • 1998-07-23
    • David R. BlakeBrian D. MorrisonRandolph W. Holtgrefe
    • David R. BlakeBrian D. MorrisonRandolph W. Holtgrefe
    • G02B6/38G02B6/42G02B6/36
    • G02B6/3831G02B6/3869G02B6/389G02B6/4292G02B6/3821G02B6/3857
    • A fiber optic connector assembly for mating an optical fiber to a receptacle includes an adapter and a plug separably coupled to the adapter. The adapter has a first end coupled to the receptacle with a first surface of the adapter contacting a surface of a housing wall through which the receptacle projects. A sealing member is disposed between the first surface of the adapter and the surface of the housing wall. In one embodiment the sealing member includes an O-ring groove provided in the first surface of the adapter and an O-ring disposed in the O-ring groove. The plug has an external surface with an alignment band formed on the external surface thereof. A first end of the plug is separably coupled to the second end of the adapter and a second end of the plug is adapted to receive the optical fiber. The connector assembly further includes a locking mechanism to prevent the plug from separating from the adapter in response to a vibration force.
    • 用于将光纤配合到插座的光纤连接器组件包括适配器和可分离地联接到适配器的插头。 适配器具有联接到容器的第一端,适配器的第一表面接触容器壁的表面,容器突出穿过该表面。 密封构件设置在适配器的第一表面和壳体壁的表面之间。 在一个实施例中,密封构件包括设置在适配器的第一表面中的O形环槽和设置在O形环槽中的O形环。 插头具有在其外表面上形成有对准带的外表面。 插头的第一端可分离地联接到适配器的第二端,并且插头的第二端适于接收光纤。 连接器组件还包括锁定机构,以防止插头响应于振动力而与适配器分离。
    • 6. 发明授权
    • Electric motor terminal board assembly
    • 电动机端子板总成
    • US06220901B1
    • 2001-04-24
    • US09070596
    • 1998-04-30
    • L. Edwin FisherJames A. ButcherMarc D. PapeDavid R. Blake
    • L. Edwin FisherJames A. ButcherMarc D. PapeDavid R. Blake
    • H01R922
    • H01R29/00H01R13/516
    • A terminal board assembly for an electric motor is described. The terminal board assembly is configured to mount inside an electric motor terminal or conduit box and includes a terminal board and a mounting bracket. The terminal board includes six terminal studs and three connecting bars extending between the terminal studs. Quick connect spade type connectors are coupled to the six terminal studs adjacent the bottom of the terminal board to facilitate quick and easy connection of the wire connection leads of an electric motor. The terminal studs and connecting bars permit a choice of “Y” or “Delta” voltage connections to the electric motor. The terminal board also includes a first and a second slot positioned at, and parallel to, opposing ends of the board. The mounting bracket includes a base portion and first and second side portions depending from opposing ends of the base portion. An engaging portion extends from each side portion and is configured to extend through the slots positioned at the opposing ends of the terminal board. Each engaging portion includes a retaining tab configured to engage the terminal board. The base portion of the mounting bracket includes at least one mounting opening for attaching the bracket to the electric motor conduit box.
    • 描述用于电动机的端子板组件。 端子板组件被配置为安装在电动机端子或导管箱内,并且包括端子板和安装支架。 端子板包括六个端子柱和在端子柱之间延伸的三个连接杆。 快速连接铲形式连接器连接到与端子板底部相邻的六个端子柱,以便电动马达的电线连接引线快速方便地连接。 端子柱和连接杆允许选择与电动机的“Y”或“Delta”电压连接。 端子板还包括位于并平行于板的相对端的第一和第二槽。 安装支架包括底座部分和从底座部分的相对端部悬垂的第一和第二侧部分。 接合部分从每个侧部延伸并且构造成延伸穿过位于端子板的相对端处的槽。 每个接合部分包括构造成接合端子板的保持突出部。 安装支架的基部包括至少一个用于将支架附接到电动马达导管箱的安装开口。
    • 7. 发明授权
    • Foot-operated hydraulic power source for emergency hydraulic tools
    • 用于应急液压工具的脚踏液压动力源
    • US4197706A
    • 1980-04-15
    • US901430
    • 1978-05-01
    • David R. Blake
    • David R. Blake
    • B25B28/00F04B9/14F16D31/02
    • B25B28/00F04B9/14Y10S60/916Y10T29/53683Y10T74/20528
    • A readily portable hydraulic power source for supplying hydraulic fluid pressure to emergency hydraulic tools is foot-operated such that the operator's hands are left free to use the hydraulic tools and both the tools and power source may be operated by a single person. The power source includes a generally planar base member, a hydraulic pump fixedly mounted at one end of the base member, a foot-engaging planar member in generally overlying relation to the base member, a hinge connecting ends of the base member and the planar member for movement of the planar member relative to the base, and a resilient spring between the base and planar members to urge the members pivotally apart upon release of pressure from the operator's foot. The operator's foot is retained by straps and a heel retaining portion attached to the planar member, with the heel portion having an arm operatively connected to a hydraulic piston of the pump. Fluid conduits are provided from the hydraulic pump for connection to an emergency tool and from a hydraulic fluid reservoir, which is strapable about the operator's torso, to supply fluid to the hydraulic pump.
    • 用于向紧急液压工具供应液压流体压力的便携式液压动力源是脚踏操作的,使得操作者的手能够自由地使用液压工具,并且工具和动力源可以由单个人操作。 动力源包括大致平面的基座构件,固定地安装在基座构件的一端的液压泵,与基座构件大致重叠的脚部接合平面构件,连接基座构件和平面构件的端部的铰链 用于平面构件相对于基座的移动,以及在基部和平面构件之间的弹性弹簧,以在从操作者的脚释放压力时推动构件枢转地分开。 操作者的脚由带子和脚跟保持部分保持,该脚跟保持部分附接到平面构件,脚跟部分具有可操作地连接到泵的液压活塞的臂。 从液压泵提供流体管道,用于连接到紧急工具以及从操作人员的躯体上可分离的液压流体储存器,以向液压泵供应流体。
    • 9. 发明授权
    • Reference sample for generating smoky atmosphere
    • 参考样品产生烟熏气氛
    • US06812834B2
    • 2004-11-02
    • US10046734
    • 2002-01-17
    • Richard E. LyonDavid R. Blake
    • Richard E. LyonDavid R. Blake
    • G08B2900
    • G01N33/0011Y10T436/100833
    • A reference sample for testing fire detectors and a method of testing utilizing the reference samples. The reference sample comprises a fused mixture of pellets of the plastics usually found in aircraft cargo holds, with a heating element embedded in the sample. The pellets are in a plurality of layers with the composition of each layer being homogeneous but the thicknesses and porosities of the layers differing from each other. When the heating element is energized the layers of pellets, which have previously been fused into porous masses, begin to smolder, thereby generating a smoky atmosphere that as nearly as possible simulates the atmosphere in an aircraft cargo hold when there is a fire in the hold. In addition, a flammable liquid can be poured onto the sample and ignited, simultaneously with the energization of the heating element, by a separate ignition source to provide a flaming fire atmosphere.
    • 用于测试火灾探测器的参考样本和使用参考样品的测试方法。 参考样品包括通常存在于飞机货舱中的塑料颗粒的熔融混合物,其中加热元件嵌入样品中。 颗粒是多层,每层的组成是均匀的,但是层的厚度和孔隙度彼此不同。 当加热元件通电时,先前已被熔化成多孔质量的颗粒层开始变得阴燃,从而产生烟雾气氛,当气体存在起火时,它几乎可能模拟飞机货舱中的气氛 。 此外,可将易燃液体倒入样品中,并与加热元件的通电同时点燃,由点火源单独提供燃烧的火焰气氛。