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1. 发明授权

US5316097A Lawn mower 失效
标题翻译：割草机
公开(公告)号：US5316097A
公开(公告)日：1994-05-31
申请号：US13789
申请日：1993-02-05
申请人： Robert B. Meyer , John R. Lackner , Hans J. Matuscheck , Daniel J. Kennedy
发明人： Robert B. Meyer , John R. Lackner , Hans J. Matuscheck , Daniel J. Kennedy
IPC分类号： A47L5/28 , A47L9/00 , B62B5/00 , B62D51/04
CPC分类号： A47L9/009 , A47L5/28 , B62B5/0073
摘要： A walk-behind, self-propelled lawn mower having a variable speed drive transmission responsive to operator-applied forces. The transmission includes an input gear operatively connected to the engine for constant rotation during operation, an intermediate gear meshed with the input gear, and a driving bevel gear meshed with a drive shaft bevel gear. A face of the driving bevel gear is biased away from a face of the intermediate gear. A clutching surface is interposed between the gear faces for coupling the intermediate gear and the driving bevel gear in driving engagement. An actuator lever is controllably connected to the intermediate gear and can be adjusted to vary the sensitivity of the drive transmission to operator-applied forces.
摘要翻译：具有响应于操作者施加力的变速驱动传动装置的步行式自行式割草机。变速器包括可操作地连接到发动机的输入齿轮，用于在运行期间恒定旋转，与输入齿轮啮合的中间齿轮，以及与驱动轴锥齿轮啮合的主动锥齿轮。主动锥齿轮的表面偏离中间齿轮的表面。在齿轮面之间夹有一个离合表面，用于在驱动接合时联接中间齿轮和驱动锥齿轮。致动器杆可控制地连接到中间齿轮并且可以被调节以改变驱动传动装置对操作者施加的力的灵敏度。

2. 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。

3. 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.

4. 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.

5. 发明授权

US5187832A Convertible self-proprelled vacuum cleaner 失效
标题翻译：可转式自行式吸尘器
公开(公告)号：US5187832A
公开(公告)日：1993-02-23
申请号：US870918
申请日：1992-04-20
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： A47L9/009 , A47L5/28 , B62B5/0073
摘要： A self-propelled vacuum cleaner adapted to be used in an upright mode or, alternatively, in a portable mode. The vacuum cleaner includes a power transmission for self-propelling the vacuum cleaner when used in the upright mode. The vacuum includes a first handle usable during operation in the upright mode and control structure arranged to energize the transmission in response to manually applied pulling or pushing forces on the first handle. The vacuum cleaner further includes a second handle usable during operation in the portable mode and arranged to prevent the control structure from energizing the transmission during operation in the portable mode.
摘要翻译：一种自行式真空吸尘器，适用于直立模式或替代便携式模式。真空吸尘器包括用于在直立模式下使用时自推进真空吸尘器的动力传动装置。真空包括在直立模式下的操作期间可用的第一手柄和布置成响应于在第一手柄上的手动施加的拉力或推力而对变速器通电的控制结构。真空吸尘器还包括可在便携式模式中操作期间使用的第二手柄，并布置成防止控制结构在便携式模式下操作期间对变速器通电。

6. 发明授权

US4847944A Vacuum cleaning with powered brush roll 失效
标题翻译：用动力刷辊进行真空清洁
公开(公告)号：US4847944A
公开(公告)日：1989-07-18
申请号：US252510
申请日：1988-09-30
申请人： John R. Lackner
发明人： John R. Lackner
IPC分类号： A47L9/04
CPC分类号： A47L9/0455
摘要： A vacuum cleaner having a powered brush roll with a one-piece thread guard and mounting portion. The thread guard is a molded thermoplastic element which encloses the adjacent end of the brush roll and the bearing mounted in such adjacent end. The thread guard provides a skirt extending around the adjacent end of the brush roll and is held against rotation with the brush roll by a mounting portion. The mounting portion of the thread guard provides a sound-deadening mounting structure for the brush roll. The skirt is initially sized to frictionally fit the adjacent end of the brush roll and, after initial relative rotation between the skirt and the brush roll, provides a zero clearance fit to prevent string, thread and other debris from entering the bearing zone. During initial operation, the heat softens the thermoplastic material of the skirt, causing it to wear away and deform until frictional contact is eliminated and a free running condition occurs. The frictional contact is eliminated when a zero clearance fit is provided. The brush roll body is wood, which tends to change dimensionally with changes in ambient humidity. If the brush roll body expands slightly during the use of the vacuum cleaner, frictional contact is re-established and the thread guard automatically wears to re-establish a zero clearance free running condition.
摘要翻译：一种具有动力刷辊的真空吸尘器，其具有一体式螺纹防护件和安装部分。螺纹防护罩是模制的热塑性元件，其围绕刷辊的相邻端部并且轴承安装在相邻的端部。螺纹防护罩提供围绕刷辊的相邻端部延伸的裙部，并通过安装部分与刷辊保持抵抗旋转。螺纹护罩的安装部分为刷辊提供了消音安装结构。裙部最初的尺寸设计成摩擦配合刷辊的相邻端，并且在裙部和刷辊之间的初始相对旋转之后，提供零间隙配合以防止绳，线和其它碎屑进入轴承区。在初始操作期间，热软化裙部的热塑性材料，导致其磨损和变形，直到消除摩擦接触并发生自由运行状态。当提供零间隙配合时，消除摩擦接触。刷辊体是木材，其随着环境湿度的变化而趋向于尺寸变化。如果在使用真空吸尘器时刷辊体稍微膨胀，则会重新建立摩擦接触，螺纹防护罩自动磨损以重新建立零间隙自由运行状态。

7. 发明授权

US5792224A Connector system 失效
标题翻译：连接器系统
公开(公告)号：US5792224A
公开(公告)日：1998-08-11
申请号：US789309
申请日：1997-01-23
申请人： Shuzhen Fu , John J. Andrisin, Jr. , John R. Lackner
发明人： Shuzhen Fu , John J. Andrisin, Jr. , John R. Lackner
IPC分类号： A47L9/14 , B01D46/02
CPC分类号： A47L9/1436 , A47L9/1427 , Y10S55/02 , Y10S55/03
摘要： A connector system is disclosed for providing a connection between a tubular connector having external projections and a mounting collar having a hole with internal notches, for receiving the projections and securing them upon rotation. The connector opening has a non-planar edge and the collar includes an elastic sealing diaphragm with an elongated hole. This configuration of elements cooperate to reduce full contact between the diaphragm and connector during installation, permitting less force to be used in bringing the components into full connection and also providing a spring force which facilitates removal. Also disclosed is a bag for receiving a connector portion. The bag has a continuous perforation, approximately dimensioned to correspond to the connector portion's opening. The perforation is separated by contact with the connector, so as to admit the connector into the filter bag.
摘要翻译：公开了一种连接器系统，用于在具有外部突出部的管状连接器和具有内部凹口的孔的安装环之间提供连接，用于接收突起并在旋转时固定它们。连接器开口具有非平面边缘，并且套环包括具有细长孔的弹性密封隔膜。这种元件配置在安装过程中减少膜片和连接器之间的完全接触，允许较少的力用于使部件完全连接并且还提供有助于移除的弹簧力。还公开了一种用于接收连接器部分的袋。该袋具有连续的穿孔，大致尺寸以对应于连接器部分的开口。通过与连接器的接触来分开穿孔，以便将连接器插入过滤袋中。

8. 外观设计

USD328166S Handle extension for a vacuum cleaner 失效
公开(公告)号：USD328166S
公开(公告)日：1992-07-21
申请号：US416452
申请日：1989-10-03
申请人： John R. Lackner , Roger S. Ford
设计人： John R. Lackner , Roger S. Ford

9. 发明授权

US4653638A Container for tool accessories 失效
标题翻译：集装箱用于工具配件
公开(公告)号：US4653638A
公开(公告)日：1987-03-31
申请号：US763042
申请日：1985-08-06
申请人： John R. Lackner , Juergen Rathgeber , J. Parks Newby
发明人： John R. Lackner , Juergen Rathgeber , J. Parks Newby
IPC分类号： A47L9/00 , A47L13/51 , B65D85/20
CPC分类号： A47L9/0063 , A47L13/51 , Y10S312/902
摘要： A container for tool accessories forms an integral, rigid, upright body. The upper part of the upright body includes means to securely and individually store accessories having short coupling tubes. A front wall in a lower portion of the body has an access opening therein whereby a storage bin is formed by front, side, and back walls of the body. The lateral sidewalls of the body are adapted to securely and individually store accessories having long coupling tubes at the four corners of the container such that the container stores a plurality of accessory items which are individually secured and accessible within a minimized storage area.
摘要翻译：用于工具配件的容器形成一体的，刚性的，直立的身体。直立体的上部包括用于牢固且单独地存储具有短耦合管的附件的装置。主体下部的前壁具有入口，其中存储箱由主体的前壁，侧壁和后壁形成。本体的侧壁适于牢固且单独地存储在容器的四个角部处具有长耦合管的附件，使得容器存储多个在最小化的存储区域内可固定和可访问的附件。

10. 发明授权

US07409745B2 Cleaning pad for vacuum cleaner 失效
标题翻译：吸尘器清洁垫
公开(公告)号：US07409745B2
公开(公告)日：2008-08-12
申请号：US11200436
申请日：2005-08-09
申请人： Diane L. Dodson , John T. Lackner , John R Lackner
发明人： Diane L. Dodson , John T. Lackner , John R Lackner
IPC分类号： A47L9/02
CPC分类号： A47L9/06 , A47L9/0613 , A47L9/0673 , A47L9/0686
摘要： The claimed invention provides an apparatus for use with a vacuum cleaner nozzle having an intake opening with a flow area that receives a flow of working air. The apparatus comprises a cleaning pad with a structure that permits the working air to pass through the pad. The cleaning pad is configured to be installed over the intake opening in a position extending across the flow area.
摘要翻译：所要求保护的发明提供了一种与真空吸尘器喷嘴一起使用的装置，其具有具有接收工作空气流的流动区域的进气口。该装置包括具有允许工作空气通过垫的结构的清洁垫。清洁垫被构造成在穿过流动区域延伸的位置上安装在进气口上。

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