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61. 外观设计

USD347145S Electric knife handle 失效
公开(公告)号：USD347145S
公开(公告)日：1994-05-24
申请号：US954075
申请日：1992-09-30
申请人： Mike A. Neshat , William G. Badley
设计人： Mike A. Neshat , William G. Badley

62. 发明授权

US5193243A Brushroll 失效
标题翻译：毛刷
公开(公告)号：US5193243A
公开(公告)日：1993-03-16
申请号：US887420
申请日：1992-05-20
申请人： Alfred H. Stegens
发明人： Alfred H. Stegens
IPC分类号： A46B13/00 , A47L9/04
CPC分类号： A47L9/0455 , A46B13/001
摘要： A brushroll having a spindle and a pair of end assemblies each including a thread guard, a shouldered stub shaft, a bearing and an end cap. The thread guards each include a pair of radially spaced annular wall portions which define channels opening outward from the spindle. The end caps have peripheral walls which extend into the channels defined by the thread guards to prevent threads loosened by the brushroll from fouling the brushroll bearings. Spools formed in the end caps cvapture threads flowing outwardly along the brushroll to prevent the threads from working their way back to the bearing. In a preferred construction, the spindle carries tufts which are angled toward the ends of the spindle in order to encourage the flow of threads toward the ends of the spindle. The brushroll assembly is particularly suited for use with a wooden spindle since the thread guard and the stub shaft synergistically combine to retain the end assembly against the spindle even if the end spindle expands or contracts due to changes in ambient humidity.
摘要翻译：具有心轴和一对端组件的刷辊，每个端组件包括螺纹保护件，肩部短轴，轴承和端盖。螺纹保护件每个包括一对径向隔开的环形壁部分，其限定从主轴向外开口的通道。端盖具有延伸到由螺纹护罩限定的通道中的周边壁，以防止毛刷松动的螺纹污染刷辊轴承。在端盖中形成的流体将刷毛沿着刷辊向外流动，以防止螺纹回到轴承上。在优选的结构中，主轴承载着朝向主轴的端部成角度的簇，以促进螺纹朝向主轴端部的流动。刷辊组件特别适合用于木质主轴，因为螺纹保护件和短轴协同地组合以将端部组件保持在主轴上，即使端轴由于环境湿度的变化而膨胀或收缩。

63. 发明授权

US5115537A Drive system 失效
标题翻译：驱动系统
公开(公告)号：US5115537A
公开(公告)日：1992-05-26
申请号：US708735
申请日：1991-05-31
申请人： Robert B. Meyer , John R. Lackner , Hans J. Matuschek
发明人： Robert B. Meyer , John R. Lackner , Hans J. Matuschek
IPC分类号： A47L5/28 , A47L9/00 , B62B5/00
CPC分类号： A47L5/28 , A47L9/009 , B62B5/0073
摘要： A vacuum cleaner having an improved transmission. The transmission includes speed reduction gearing and forward and reverse clutching elements which provide high power capacity, large speed reduction, durability, quiet operation and smooth power engagement. The main power train elements all rotate on parallel axes and the forward and reverse clutching elements are essentially independent of one another and resistant to wear. The transmission has an actuating mechanism which is connected to an upright handle on the vacuum cleaner and allows the appliance to respond to moderate pushing or pulling forces applied to the handle by the user. The vacuum cleaner also has improved bearings for rotatably supporting the wheel shaft of the appliance and aligning itself to the housing of the appliance.
摘要翻译：具有改进变速器的真空吸尘器。变速箱包括减速齿轮传动装置和向前和向后的离合元件，其提供高功率容量，大的减速，耐久性，安静的操作和平稳的动力接合。主动力传动系元件全部在平行轴上旋转，前后离合元件基本上彼此独立并且耐磨损。变速器具有致动机构，该致动机构连接到真空吸尘器上的直立手柄，并且允许器具响应用户施加到手柄的适度推或拉力。真空吸尘器还具有改进的轴承，用于可旋转地支撑器具的轮轴并将其自身对准设备的壳体。

64. 发明授权

US4947512A Convertible vacuum cleaner 失效
公开(公告)号：US4947512A
公开(公告)日：1990-08-14
申请号：US282116
申请日：1988-12-09
申请人： John R. Lackner , Stanley E. Grzywna , Ralph A. Weber , Thomas E. Baird
发明人： John R. Lackner , Stanley E. Grzywna , Ralph A. Weber , Thomas E. Baird
IPC分类号： A47L5/24 , A47L5/28 , A47L9/14 , A47L9/32
CPC分类号： A47L9/1427 , A47L5/225 , A47L5/28 , A47L9/325 , Y10T74/20864
摘要： A convertible vacuum cleaner providing a detachable upright handle permits the vacuum cleaner to be used as an upright cleaner for cleaning rugs, carpets, and the like. A detachable portable hand cleaner handle is also provided which is mounted when the cleaner is to be used as a portable hand cleaner. A resiliently biased, releasable connector is mounted on the filter bag to detachably connect the filter bag to either of the handles. The connector is connected to the upright handle. The connector is resiliently connected to the bag so that the bag remains in proper extended position in all operating positions of the upright handle. A receiver having a socket and a mating blade on the handles permits the two handles to be selectively mounted on the power unit of the cleaner. The portable handle provides a shoulder strap which is retracted into the handle by a reel when not in use and is locked at any selected extended position when the shoulder strap is in use.

65. 发明授权

US4914777A Vacuum cleaner brush bearing assembly 失效
标题翻译：真空吸尘器刷轴承总成
公开(公告)号：US4914777A
公开(公告)日：1990-04-10
申请号：US249377
申请日：1988-09-26
申请人： Mark A. Cartellone
发明人： Mark A. Cartellone
IPC分类号： A46B7/10 , A47L5/10 , A47L9/04 , F16C23/04
CPC分类号： A47L9/0455 , A46B7/10 , A47L5/10 , F16C23/045 , Y10T403/32631 , Y10T403/32737
摘要： A self-aligning bearing structure for vacuum cleaner brushes and the like includes a plastic sleeve and a metal bearing element. The sleeve is initially formed with a flared end, allowing the bearing element to be inserted to provide a subassembly. The subassembly is then pressed axially into a cylindrical bore in the vacuum cleaner brush body. During such insertion, the flared end is deflected inwardly to produce a spherical socket which mates with a spherical periphery on the bearing element. Relative rotation between the sleeve and bearing element is prevented by a plurality of peripherally spaced teardrop-shaped projections formed on the sleeve which fit into teardrop-shaped recesses on the bearing element. The recesses are sufficiently closely spaced and are shaped in cooperation with the projections so that the recesses and projections automatically interfit upon assembly, and can therefore be assembled by automated equipment which does not require special orientation means. The interfitting projections and recesses prevent relative rotation between the sleeve and bearing element without requiring close tolerances in the manufacture of the components of the bearing.
摘要翻译：用于真空吸尘器刷子的自调心轴承结构等包括塑料套和金属轴承元件。套筒最初形成有扩口端，允许轴承元件插入以提供子组件。然后将该组件被轴向压入真空吸尘器刷体中的圆柱形孔中。在这种插入过程中，喇叭形的端部向内偏转以产生与轴承元件上的球形周边配合的球形插座。套筒和轴承元件之间的相对旋转被形成在套筒上的多个外围间隔开的泪珠形突起所防止，该泪珠装配在轴承元件上的泪珠状凹陷中。这些凹槽足够紧密地间隔开并且与突起协调地成形，使得凹部和突起在组装时自动相互配合，并且因此可以由不需要特殊取向装置的自动化设备组装。相互配合的突起和凹槽防止套筒和轴承元件之间的相对旋转，而不需要制造轴承部件的紧密公差。

66. 发明授权

US4858269A Wet/dry vac 失效
标题翻译：湿/干真空
公开(公告)号：US4858269A
公开(公告)日：1989-08-22
申请号：US276671
申请日：1989-01-25
申请人： Richard J. Ostroski , James E. Bigley , John L. Falk , E. Charles Sallee
发明人： Richard J. Ostroski , James E. Bigley , John L. Falk , E. Charles Sallee
IPC分类号： A47L7/00 , A47L11/30
CPC分类号： A47L11/4025 , A47L11/30 , A47L11/4019 , A47L11/4072 , A47L11/4091 , A47L7/0028 , A47L7/0038 , A47L7/0042
摘要： A wet/dry vacuum cleaner unit having a transparent tube on the exterior of its tank that serves as a sight gage to display the volume of water collected in the tank and as a drain hose for conveniently discharging water from the tank. A suspension system molded in the bottom wall of the tank allows the unit to be tipped on its wheels for draining purposes and allows the unit to readily trail the pull of a vacuum hose.
摘要翻译：湿/干吸尘器单元，其在其罐的外部具有透明管，其用作视力表，以显示收集在罐中的水的体积，以及用于方便地从罐排出水的排水软管。在罐的底壁上模制的悬挂系统允许单元倾倒在其轮子上用于排水目的，并允许该单元容易地跟踪真空软管的拉动。

67. 发明授权

US4827603A Method of making a blow molded float switch assembly 失效
标题翻译：制造吹塑浮子开关组件的方法
公开(公告)号：US4827603A
公开(公告)日：1989-05-09
申请号：US142516
申请日：1988-01-07
申请人： Pervez Akhter
发明人： Pervez Akhter
IPC分类号： B29C49/04 , B29C49/20 , H01H11/00 , H01H35/18
CPC分类号： H01H35/186 , B29C49/20 , B29C2049/2008 , B29C49/04 , H01H11/00 , Y10T29/49105
摘要： A float switch assembly for selectively energizing and deenergizing a fluid pump or other electronic equipment responsive to the rise and fall of a fluid level within a reservoir and a method of manufacturing or assembling the float switch assembly. The assembly includes a hollow tube having an open end wherein a mercury tilt switch is fixed. A plurality of conductors covered with a non-conductive material extend within the tube open end and are connected to the switch so that a current path may be provided between the conductors responsive to the angle of the switch. Ridges are provided on the outer surface of the tube near the open end and, a float bulb is provided substantially surrounding the tube below the ridges and sealingly connected upon the ridges. A potting epoxy compound surrounds the switch and the conductors within the tube so that electrical contact with a fluid through the open end is prevented. A cap is placed on the tube open end and is locked into place. During the method of manufacture, the float bulb is flow molded directly onto the hollow tube by surrounding the tube with a resilient heated plastic, crimping the float bulb plastic upon the tube ridges and forcing air through the tube open end and two holes on the tube wall so as to enlarge the float bulb plastic to a desired float bulb shape.
摘要翻译：一种浮动开关组件，用于响应于储存器内的液位的上升和下降而选择性地使流量泵或其他电子设备通电和断电，以及制造或组装浮子开关组件的方法。组件包括具有开口端的中空管，其中汞倾斜开关被固定。覆盖有非导电材料的多个导体在管开口端内延伸并且连接到开关，使得可以响应于开关的角度在导体之间提供电流路径。在开口端附近的管的外表面上设置有脊，并且在所述脊之下设置有基本上围绕所述管并且密封地连接在脊上的浮球。灌封环氧化合物围绕开关和管内的导体，以防止通过开口端与流体的电接触。盖子被放置在管开口端并被锁定到位。在制造方法中，通过用弹性加热的塑料围绕管将浮球直接模制到中空管上，将浮球塑料压接在管脊上并迫使空气穿过管的开口端和管上的两个孔以便将浮球灯泡塑料放大至所需的浮球形状。

68. 发明授权

US4759396A Lock mechanism for roll bar on retractable awning 失效
标题翻译：可伸缩遮阳篷上的卷杆锁定机构
公开(公告)号：US4759396A
公开(公告)日：1988-07-26
申请号：US48404
申请日：1987-05-11
申请人： Antony W. Quinn
发明人： Antony W. Quinn
IPC分类号： E04F10/06
CPC分类号： E04F10/0614 , E04F10/0625 , E04F10/0648 , E04F10/0651 , E04F10/0603
摘要： A roll bar lock mechanism for use in a retractable awning of the type having a roll bar about which an awning canopy can be rolled includes an eccentric lock element mounted within the roll bar and pivotally moveable between two locking positions which are arcuately displaced less than 90.degree. so that the lock element is easily operated from a remote location convenient to the user of the awning.
摘要翻译：一种用于具有卷筒杆的类型的可伸缩遮阳篷的卷杆锁定机构，可以卷起遮篷篷盖可以包括一个偏心锁定元件，该偏心锁定元件安装在该滚筒内并可在两个锁定位置之间枢转运动，这两个锁定位置之间的弓形位移小于90° DEG，使得锁定元件容易从对遮篷的使用者的远程位置操作。

69. 发明授权

US4701123A Gas fuel burner 失效
标题翻译：燃气燃烧器
公开(公告)号：US4701123A
公开(公告)日：1987-10-20
申请号：US946304
申请日：1986-12-24
申请人： William R. Tallman , Robert A. Kaplan
发明人： William R. Tallman , Robert A. Kaplan
IPC分类号： F23D14/36 , F23D14/84 , F23M9/06
CPC分类号： F23D14/84 , F23D14/36
摘要： A fuel burner apparatus for converting fossil fuel such as gas into heat. A cylindrical burner body is provided having an air inlet and a flame opening wherethrough flames, combustion gases and any unburned particles of fuel exit. A flame spreader apparatus is connected to the flame opening for evenly distributing the flames, combustion gases and unburned fuel particles coming out of the fuel burner. The fuel spreader apparatus includes a fuel spreader, a stem connected substantially perpendicular thereto and three leg portions connected at one end thereof to each other and at the other end thereof to the flame burner opening. The stem is connected to the meeting point of the three leg portions. A two-stage gas valve or a slow opening gas valve is provided for controlling the rate at which the fuel valve opens and allows fuel to enter the fuel burner. The fuel burner is connected to a heat exchanger which has a flue line and a blower connected to the flue line. The blower pulls non-turbulent combustion air through the fuel burner.
摘要翻译：一种用于将诸如气体的化石燃料转化成热量的燃料燃烧器装置。提供了一种圆柱形燃烧器体，其具有空气入口和火焰开口，通过火焰，燃烧气体和任何未燃烧的燃料颗粒排出。火焰扩散器装置连接到火焰口，用于均匀分布从燃料燃烧器出来的火焰，燃烧气体和未燃烧的燃料颗粒。燃料扩散器装置包括燃料扩张器，基本上垂直于其的杆，以及在其一端相互连接并且在火焰燃烧器开口的另一端连接的三个腿部。杆连接到三个腿部的汇合点。提供两级气阀或慢开阀，用于控制燃油阀打开的速度并允许燃料进入燃料燃烧器。燃料燃烧器连接到具有连接到烟道管线的烟道和鼓风机的热交换器。鼓风机通过燃料燃烧器拉动非湍流的燃烧空气。

70. 外观设计

USD291129S Vacuum cleaner bracket 失效
公开(公告)号：USD291129S
公开(公告)日：1987-07-28
申请号：US732433
申请日：1985-05-09
申请人： John R. Lackner , William E. Bartasevich, Jr.
设计人： John R. Lackner , William E. Bartasevich, Jr.

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