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1. 发明申请

US20080289905A1 Retrieval and fall arrest system for manhole applications 审中-公开
标题翻译：人孔应用检索和坠落拦截系统
公开(公告)号：US20080289905A1
公开(公告)日：2008-11-27
申请号：US12151018
申请日：2008-05-02
申请人： Bradley A. Pelsue , Edward J. Inman , Timothy G. Peters , Christopher J. Duke , Mark R. Niksic
发明人： Bradley A. Pelsue , Edward J. Inman , Timothy G. Peters , Christopher J. Duke , Mark R. Niksic
IPC分类号： A62B1/08
CPC分类号： A62B1/04 , E02D29/122 , E02D29/127
摘要： A foldable hoist, fall-arrest and recovery system to be used in connection with a rectangular manhole guard having vertical posts at four corners of the guard including an upper structure having four elongated support members forming a pyramid shaped structure with the base of each of the support members being securely mounted to the top of a post on the manhole guard and the other ends of the support members being pivotally connected to an apex so that the upper structure can be folded for storage and shipment when disconnected from the base and means connected at the apex for raising and lowering workers and/or cargo into and out of the manhole or for arresting the fall or recovering a worker.
摘要翻译：一种可折叠起重机，防坠落和回收系统，用于与矩形井下防护装置相连，在卫兵的四个角落处具有垂直立柱，包括具有四个细长支撑构件的上部结构，所述四个细长支撑构件形成金字塔形结构，支撑构件被牢固地安装到人孔护罩上的柱的顶部，并且支撑构件的另一端枢转地连接到顶点，使得上部结构可以被折叠以便在与基座断开连接时被存储和运输，并且连接在提高和降低工作人员和/或货物进出人孔的最高点，或者是为了逮捕或者追回工人。

2. 发明授权

US4941499A Ground tent with external frame and improved subframe therefor 失效
标题翻译：具有外框的地面帐篷和改进的子框架
公开(公告)号：US4941499A
公开(公告)日：1990-07-17
申请号：US332791
申请日：1989-04-03
申请人： Bradley A. Pelsue , Mark R. Niksic
发明人： Bradley A. Pelsue , Mark R. Niksic
IPC分类号： E04H15/42 , E04H15/48
CPC分类号： E04H15/48 , E04H15/42 , Y10S135/913 , Y10T403/32336 , Y10T403/343
摘要： A tenting structure with two angularly related sidewalls forming a roof and having at least one collapsible frame for externally supporting each of the sidewalls and where the frame includes a hub radially carrying a plurality of flexible struts whose distal ends are secured in external pockets positioned around the edges of each of the sidewalls and where the frame is sized and dimensioned in respect to the sidewalls that the frame members take on a compression induced dish shaped outward bow. The hub includes a plurality of pivotal strut mounting sockets which rotate about their pivotal axis to a discrete splayed position and to a definitive stowed position.
摘要翻译：具有两个角度相关的侧壁形成屋顶并具有用于外部支撑每个侧壁的至少一个可折叠框架的帐篷结构，并且所述框架包括径向承载多个柔性支柱的轮毂，所述多个柔性支柱的远端固定在围绕每个侧壁的边缘和框架的尺寸和尺寸相对于框架构件承受压缩诱导的碟形向外弓形的侧壁的边缘。轮毂包括多个枢转支柱安装座，其绕其枢转轴线旋转到离散的张开位置并且到达确定的收起位置。

3. 发明授权

US5069572A Nub assembly for tent frame struts 失效
标题翻译：帐篷架撑杆的Nub装配
公开(公告)号：US5069572A
公开(公告)日：1991-12-03
申请号：US461921
申请日：1990-01-08
申请人： Mark R. Niksic
发明人： Mark R. Niksic
IPC分类号： E04H15/42 , F16B7/04
CPC分类号： F16B7/0486 , E04H15/425 , Y10T403/341 , Y10T403/443
摘要： A hub for providing an articulating interconnection between the ends of tent frame struts, comprising a base member and a cap member rotatably interconnected by a common axis of rotation to form an encasement having a plurality of interior cavities equally spaced radially from the common axis, a like plurality of elongated windows each having top and side framing portions and a sill, each in communication with one of the cavities, a like plurality of radial slots in the base member in respective communication with one of the said windows and a like plurality of sockets, each having a spherical terminating end portion and disposed in each of said cavities.
摘要翻译：一种用于在帐篷框架支柱的端部之间提供铰接互连的轮毂，其包括基部构件和通过公共旋转轴线可旋转地互连的盖构件，以形成具有与公共轴线径向等距间隔的多个内部腔的外壳，每个具有顶部和侧部框架部分和底框的多个细长窗口，每个与所述空腔中的一个连通，所述基部构件中的相似的多个径向狭槽与所述窗口中的一个和相似的多个插座相连通每个具有球形终端部分并且设置在每个所述空腔中。

4. 发明授权

US4998552A Geodetic tent structure 失效
标题翻译：大地帐篷结构
公开(公告)号：US4998552A
公开(公告)日：1991-03-12
申请号：US406233
申请日：1989-09-12
申请人： Mark R. Niksic , Mark E. Erickson
发明人： Mark R. Niksic , Mark E. Erickson
IPC分类号： E04H15/42 , E04B1/344 , E04H15/36 , E04H15/48
CPC分类号： E04B1/3441 , E04H15/36 , E04H15/48
摘要： A self supporting collapsible tent structure having a tension bearing polygonal shaped floor member defining a first tent level, a plurality of hub members each carrying a plurality of sockets which are pivotal about axes which are co-planer and are interrelated one to the other as the sides of polygon, a series of said hub members disposed in a plane at a second tent level which is spaced apart from said first tent level and whose sockets are pivotal in a first direction, and additional series of said hub members disposed in a plane at a third tent level which is spaced apart from said second tent level and whose sockets are pivotal in a second direction, opposite to the said first direction, a single, apex forming hub member disposed at a fourth tent level and whose sockets are pivotal in said first direction, a first plurality of compression rods, the ends of which are seated in the said sockets of the hub members in slightly curved polygonal planes defined and bounded by the rod members and a second plurality of compression rods, one end of which are seated in sockets of the hub members at the second tent level and the other end of which are connected to the perimeter of the floor member.

5. 发明授权

US06210270B1 Air blower apparatus and method of use 失效
标题翻译：鼓风机及其使用方法
公开(公告)号：US06210270B1
公开(公告)日：2001-04-03
申请号：US08773261
申请日：1996-12-03
申请人： Mark R. Niksic , W. B. West , Tim L. Mercer
发明人： Mark R. Niksic , W. B. West , Tim L. Mercer
IPC分类号： F24F7007
CPC分类号： F04D29/646 , F24F7/007
摘要： An assembly for directing air to a desired location for use as an air blower, carpet drier or the like. An air blower component in a preferred embodiment includes an outlet having attachment means engageable with a separate component such as a ducting housing or carpet drier attachment, through engageable lugs.
摘要翻译：用于将空气引导到期望位置以用作鼓风机，地毯干燥器等的组件。在优选实施例中的鼓风机部件包括具有可通过可接合凸耳与诸如管道壳体或地毯干燥器附件的单独部件接合的附接装置的出口。

6. 发明授权

US5201651A Construction heater and method of manufacture of heater 失效
标题翻译：施工加热器及加热器制造方法
公开(公告)号：US5201651A
公开(公告)日：1993-04-13
申请号：US667794
申请日：1991-03-11
申请人： Mark R. Niksic , Charles Hokes
发明人： Mark R. Niksic , Charles Hokes
IPC分类号： F23N1/02 , F23N5/24 , F24H3/10 , F24H9/20
CPC分类号： F24H9/2085 , F23N1/027 , F24H3/105 , F23N2025/04 , F23N2025/16 , F23N2033/06 , F23N2037/16 , F23N5/24
摘要： A gas-fired construction heater which meets the applicable ANSI Standard and operates to supply heated air separately from products of combustion. The products of combustion are permitted to contain no more than a specified percent of carbon monoxide when uncontrolled heater operating conditions are within predetermined ranges. The uncontrolled operating conditions include variations in input rate and supply voltage. A combustion chamber produces the products of combustion and has primary and secondary combustion zones. A heat exchanger receives the products of combustion and transfers heat therefrom to fresh air to be heated. The chamber and the heat exchanger define a tertiary combustion zone. Inlets supply a separate natural combustion draft to each of the primary and tertiary combustion zones. The inlets include a first and a third fixed-area inlet for respectively supplying the separate natural drafts to the primary and tertiary combustion zones. An additional fixed-area inlet supplies forced draft and natural draft to the secondary combustion zone. The fixed-area of each of these inlets is selected so that the specified percent is not exceeded during operation of the heater when the uncontrolled variation of either the input rate or the supply voltage is within its respective predetermined range. When the uncontrolled variations are outside of the respective predetermined ranges, the heater is turned off.
摘要翻译：燃气建筑加热器，符合适用的ANSI标准，并与燃烧产物分开供应加热的空气。当不受控制的加热器操作条件在预定范围内时，燃烧产物允许含有不超过一定百分比的一氧化碳。不受控制的工作条件包括输入速率和电源电压的变化。燃烧室产生燃烧产物，并具有主燃烧区和二次燃烧区。热交换器接收燃烧产物并将热量传递到待加热的新鲜空气。室和热交换器限定三级燃烧区。入口为主燃烧区和三级燃烧区中的每一个提供单独的自然燃烧通风。入口包括用于分别向第一和第三燃烧区域供应单独的自然通风的第一和第三固定区域入口。额外的固定区域进气口向二次燃烧区供应强制通风和自然通风。选择这些入口中的每一个的固定区域，使得当输入速率或电源电压的不受控制的变化在其各自的预定范围内时，在加热器的操作期间不超过指定的百分比。当不受控制的变化超出相应的预定范围时，加热器被关闭。

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