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21. 发明授权

US5308288A Vacuum sweeper drive belt 失效
标题翻译：吸尘器驱动皮带
公开(公告)号：US5308288A
公开(公告)日：1994-05-03
申请号：US920767
申请日：1992-07-28
申请人： John R. Lackner , Alfred Schiazza
发明人： John R. Lackner , Alfred Schiazza
IPC分类号： A47L5/30 , A47L9/04 , F16G1/28 , F16H57/00
CPC分类号： A47L9/0444 , A47L5/30 , F16G1/28
摘要： An endless elastomeric vacuum sweeper belt for use in a vacuum sweeper having a diamond pattern drive surface. A first set of ribs project inwardly in a substantially diagonal direction along the drive surface of the belt. A second set of ribs project inwardly along the drive surface of the belt in a substantially diagonal direction opposite the direction of the first set of ribs. The first and set second set of ribs together define a diamond-like pattern on the drive surface as well as a number of particle recesses for the temporary collection of matter. Each rib includes knife-like edge portions to increase the traction of the belt on a drive surface by cutting, loosening and expelling foreign matter lodged between the belt drive surface and the rotation member and/or the drive source of the vacuum sweeper.
摘要翻译：一种用于具有金刚石图案驱动表面的真空清扫机的无端弹性真空清扫带。第一组肋条沿带的驱动表面沿大致对角线方向向内突出。第二组肋沿着带的驱动表面沿与第一组肋的方向相反的大致对角方向向内突出。第一组和第二组肋骨一起在驱动表面上形成菱形图案以及用于临时收集物质的多个颗粒凹部。每个肋包括刀状边缘部分，以通过切割，松开和排出置于带驱动表面和旋转构件和/或真空清扫器的驱动源之间的异物来增加带在驱动表面上的牵引力。

22. 发明授权

US5285550A Self-propelled vacuum cleaner having forward and reverse drive 失效
标题翻译：自走式真空吸尘器具有前进和后退驱动
公开(公告)号：US5285550A
公开(公告)日：1994-02-15
申请号：US871021
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： A47L5/28 , A47L9/009 , B62B5/0073
摘要： A self-propelled vacuum cleaner having a transmission assembly that selectively drives the vacuum cleaner in both forward and reverse directions. The transmission arrangement includes a first stage of speed reduction in the coupling of a drive motor and a transmission input shaft interconnected by sprockets and a primary drive belt. A pinion on the input shaft drives one of a pair of meshed counter-rotating gears. A clutch/sprocket is associated with each of the counter-rotating gears and a belt couples both of these clutch/sprockets to a common sprocket which through associated elements drives the wheels of the appliance. The input pinion, counter-rotating gears, respective clutch/sprockets and common output sprocket all rotate about axes parallel to the motor shaft. An actuating mechanism selectively energizes one or the other of the clutch/sprockets for forward or reverse propulsion of the appliance.
摘要翻译：一种具有传动组件的自推进真空吸尘器，其选择性地驱动吸尘器在正向和反向方向上。传动装置包括驱动马达和由链轮和主传动带相互连接的变速器输入轴的联接中的减速的第一阶段。输入轴上的小齿轮驱动一对啮合的反向旋转齿轮中的一个。离合器/链轮与每个反向旋转齿轮相关联，并且带将这两个离合器/链轮联接到通过相关元件驱动器具的车轮的公共链轮。输入齿轮，反向旋转齿轮，各离合器/链轮和公共输出链轮均围绕平行于电机轴的轴线旋转。致动机构选择性地激励离合器/链轮中的一个或另一个以用于器具的正向或反向推进。

23. 发明授权

US5143524A Electrostatic particle filtration 失效
标题翻译：静电颗粒过滤
公开(公告)号：US5143524A
公开(公告)日：1992-09-01
申请号：US481854
申请日：1990-02-20
申请人： Ion I. Inculet , John R. Lackner , James C. Murphy
发明人： Ion I. Inculet , John R. Lackner , James C. Murphy
IPC分类号： A47L9/10 , A47L9/12 , A47L9/14 , A47L13/40 , B01D39/14 , B03C3/02 , B03C3/155
CPC分类号： A47L9/14 , A47L13/40 , A47L9/12 , B03C3/155
摘要： A vacuum cleaner is disclosed having an on-board electrostatic filtration device for removing ultra fine particles from the suction air stream which is discharged into the vacuum cleaner's dirt collection receptacle. The electrostatic filtration device includes a finely woven conductive mesh made from two electrically insulated sets of conductive filaments between which a low voltage electrical potential difference is applied. The polarity of the electrical potential difference is periodically reversed at low frequency to assist in maintaining filtering effectiveness notwithstanding the accumulation on the mesh of significant amounts of retained particulate matter. High permitivity material is incorporated between filaments to enhance electric fields in the mesh created by the electrical potential difference.

24. 发明授权

US5092915A Disposable dust bag for vacuum cleaners and the like 失效
标题翻译：吸尘器一次性防尘袋等
公开(公告)号：US5092915A
公开(公告)日：1992-03-03
申请号：US527645
申请日：1990-05-17
申请人： John R. Lackner
发明人： John R. Lackner
IPC分类号： A47L9/14
CPC分类号： A47L9/1436 , A47L9/1427 , Y10S55/02 , Y10S55/03
摘要： A disposable dust bag for vacuum cleaners includes a mounting collar removably mounted on a vacuum cleaner connector through which dirt-laden air is delivered to the dust bag. The connector has a generally cylindrical outlet end and peripherally spaced projections extending from the outer surface thereof. The collar provides an opening sized to closely fit the outlet through the majority of its peripheral extent and which provides peripherally spaced enlarged portions adapted to clear the projections on the connector when the bag is installed and removed. The collar also provides an elastomeric diaphragm that tightly fits around the projections and forms a lip seal with the connector to prevent leakage of dirt-laden air back along the connector. An adaptor which fits on and grips the connector permits use of disposable bags with mounting structures not directly couplable with the connector.
摘要翻译：用于真空吸尘器的一次性防尘袋包括可移除地安装在真空吸尘器连接器上的安装轴环，通过该连接器将污垢载满的空气输送到防尘袋。连接器具有大致圆柱形的出口端和从其外表面延伸的周向间隔开的突出部。套环提供一个开口，该开口的尺寸适于通过其大部分外围区域紧密地配合出口，并且当安装和移除袋子时，该开口提供适于清除连接器上的突起的周向间隔开的扩大部分。套环还提供弹性膜片，其紧密地配合在突起周围并且与连接器形成唇形密封，以防止污垢附着的空气沿连接器回流。适配器适合并夹持连接器允许使用具有不能与连接器直接连接的安装结构的一次性袋。

25. 发明授权

US5086536A Convertible vacuum cleaner 失效
标题翻译：可转换吸尘器
公开(公告)号：US5086536A
公开(公告)日：1992-02-11
申请号：US647676
申请日：1991-01-25
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
CPC分类号： A47L9/1427 , A47L5/225 , A47L5/24 , A47L5/28
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.
摘要翻译：提供可拆卸直立手柄的敞篷式真空吸尘器允许真空吸尘器用作清洁地毯，地毯等的立式清洁器。还提供了可拆卸便携式手持清洁器手柄，其在清洁器用作便携式手持清洁器时被安装。弹性偏压的可拆卸连接器安装在过滤袋上，以将过滤袋可拆卸地连接到任一个把手。连接器连接到直立手柄。连接器弹性地连接到袋子，使得袋子在直立手柄的所有操作位置处保持在适当的延伸位置。在手柄上具有插座和配合叶片的接收器允许两个把手选择性地安装在清洁器的动力单元上。便携式手柄提供了肩带，肩带在不使用时由卷轴缩回到手柄中，并且当肩带在使用时被锁定在任何选定的延伸位置。

26. 发明授权

US4683607A Vacuum cleaner accessory bracket 失效
标题翻译：吸尘器附件支架
公开(公告)号：US4683607A
公开(公告)日：1987-08-04
申请号：US732395
申请日：1985-05-09
申请人： John R. Lackner , William E. Bartasevich, Jr.
发明人： John R. Lackner , William E. Bartasevich, Jr.
IPC分类号： A47L5/28 , A47L9/00 , A47L9/32
CPC分类号： A47L5/28 , A47L9/0009
摘要： A bracket for carrying an accessory appliance on an elongate handle of a primary appliance comprises a bracket body which is contoured to fit on the handle in a sleeve-like manner. The bracket body is pivoted to the primary appliance by a pivot pin which also pivotally connects the handle to the primary appliance. The bracket has a pocket which slidably receives and supports one end of the accessory appliance. Means are provided on the bracket for releasably attaching the accessory appliance to the bracket. This attachment means is in the form of resilient snap action detents which engage recessed body portions of the accessory appliance. The bracket holds the accessory appliance in a close parallel relationship to the handle and provides for the convenient removal of the accessory appliance from such held condition and replacement of the accessory appliance in such held condition.
摘要翻译：用于在主要器具的细长手柄上携带辅助器具的支架包括支架体，该支架主体以套筒状的方式装配在手柄上。支架主体通过枢轴销枢转到主要装置，枢轴销还将手柄枢转地连接到主要装置。支架具有可滑动地容纳并支撑辅助器具的一端的凹穴。装置设置在支架上，用于将辅助器具可释放地附接到支架。该附接装置是弹性卡扣动作棘爪的形式，其接合附件装置的凹部主体部分。支架将附件装置与手柄保持紧密平行的关系，并且可以方便地将附件装置从这种保持状态移除，并在这种保持状态下更换附件装置。

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