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31. 发明授权

US6008608A User operated switch and speed control device for a wet/dry vacuum 失效
标题翻译：用于湿/干真空的用户操作开关和速度控制装置
公开(公告)号：US6008608A
公开(公告)日：1999-12-28
申请号：US844075
申请日：1997-04-18
申请人： Stuart V. Holsten , Joseph T. Gierer , Karmen D. Cox , James I. Metzger, Jr.
发明人： Stuart V. Holsten , Joseph T. Gierer , Karmen D. Cox , James I. Metzger, Jr.
IPC分类号： A47L9/28 , H01H9/06 , H01H9/12 , H01H19/00 , H01H39/42
CPC分类号： A47L9/2894 , A47L9/2842 , A47L9/2857 , A47L9/2889 , H01H9/061 , H01H19/001 , H01H9/12
摘要： A switch and speed control assembly for use in a wet/dry utility vacuum or blower is disclosed. The switch and speed control assembly provides a single rotary control actuator for turning the vacuum or blower on and off, for infinitely varying the speed of the motor, and for providing a momentary boost control. The switch and speed control assembly includes a thumb wheel fitted to the shaft of a voltage varying potentiometer, a snap action switch in operable relation to the exterior edge of the thumb wheel, and a compression spring contained beneath the thumb wheel. As the thumb wheel is rotated in an increasing "on" direction, the contacts of the snap action switch are closed, allowing electric current to flow to the motor of the wet/dry utility vacuum or blower. The voltage levels in the motor, and correspondingly the speed of the motor, are controlled by varying the potentiometer voltage through rotation applied to the thumb wheel. During boost operating conditions, the thumb wheel engages the compression spring such that when the force engaging the momentary boost condition abates, the thumb wheel returns to a normal operating condition. Additional features incorporated in the switch and speed control assembly include: mechanical stops for both the "Off" and "High On" modes; a static guard to protect the electrical components and the user from static discharges; fastener free mounting within wet/dry utility vacuum or blower housings; a configuration designed to prevent mechanical loads present on the thumb wheel from being transferred to the potentiometer shaft and other electrical components, such as the switch; and internal wire routing designed to minimize inductive influences between the wires.
摘要翻译：公开了一种用于湿/干公用真空或鼓风机的开关和速度控制组件。开关和速度控制组件提供单个旋转控制致动器，用于打开和关闭真空或鼓风机，以无限地改变电动机的速度，并提供瞬时升压控制。开关和速度控制组件包括装配到电压变化电位器的轴上的拇指轮，与拇指轮的外边缘可操作的快动开关以及容纳在拇指轮下方的压缩弹簧。当拇指轮在增加的“开”方向上旋转时，快动动作开关的触点闭合，允许电流流向湿/干电力真空或鼓风机的电动机。电动机的电压水平以及相应的电动机速度通过转动施加到拇指轮的电位器电压来控制。在升压操作条件期间，拇指轮接合压缩弹簧，使得当接合瞬时升压状态的力消除时，拇指轮返回正常操作状态。结合在开关和速度控制组件中的附加功能包括：用于“关”和“高”模式的机械停止; 静电防护装置，用于保护电气部件和用户免受静电放电; 紧固件安装在湿/干式公用真空或鼓风机壳体内; 设计用于防止拇指轮上存在的机械载荷被传递到电位器轴和诸如开关的其它电气部件的构造; 以及设计用于最小化电线之间的电感影响的内部电线布线。

32. 发明授权

US5606769A Wet/dry utility vacuum cleaner with detachable blower 失效
标题翻译：具有可拆卸鼓风机的湿/干电动真空吸尘器
公开(公告)号：US5606769A
公开(公告)日：1997-03-04
申请号：US332591
申请日：1994-10-31
申请人： Mark J. Tomasiak , Jeffrey L. Young , Stuart V. Holsten
发明人： Mark J. Tomasiak , Jeffrey L. Young , Stuart V. Holsten
IPC分类号： A47L5/36 , A47L9/22 , A47L7/04
CPC分类号： A47L5/365 , A47L9/22
摘要： A wet/dry utility vacuum cleaner with detachable blower is disclosed. The detachable blower, when mounted in sealed relationship to a lid positioned above a utility vacuum cleaner drum, operates as a wet/dry utility vacuum cleaner. When separated from the utility vacuum cleaner drum, the detachable blower can be used for non-vacuuming applications. The utility vacuum drum lid includes two detachable latches, a detachable blower latch and a detachable drum latch. The detachable blower latch detachably mounts the detachable blower to the lid while the detachable drum latch detachably mounts the lid relative to the utility vacuum cleaner drum. The detachable blower includes a U-shaped handle positioned in proximity to the detachable blower latch to enable gripping the U-shaped handle while permitting operation of the detachable blower latch for engaging or disengaging the detachable blower relative to the lid. Additional features incorporated in the detachable blower include a stable platform to enable the detachable blower to stand in an upright condition and a scroll design exhaust to increase blower efficiency. The wet/dry vacuum cleaner includes a diffuser for exhaust air flow providing circumferential air exhaust for reducing the velocity of exhaust air.
摘要翻译：公开了一种具有可拆卸式鼓风机的湿/干电动真空吸尘器。可拆卸式鼓风机当与位于公用真空吸尘器鼓上方的盖子密封地安装时，作为湿/干电动真空吸尘器工作。当与真空吸尘器鼓分离时，可拆卸的鼓风机可用于非吸尘应用。实用真空鼓盖包括两个可拆卸的闩锁，可拆卸的鼓风机闩锁和可拆卸的滚筒闩锁。可拆卸的鼓风机闩锁可拆卸地将可拆卸的鼓风机安装到盖子上，同时可拆卸的滚筒塞子相对于公用真空吸尘器滚筒可拆卸地安装盖子。可拆卸鼓风机包括位于可拆卸鼓风机闩锁附近的U形手柄，以能够夹持U形手柄，同时允许可拆卸鼓风机闩锁的操作使得可拆卸鼓风机相对于盖子接合或分离。结合在可拆卸鼓风机中的附加特征包括一个稳定的平台，使得可拆卸的鼓风机能够竖直地站立并且涡卷设计排气以提高鼓风机的效率。湿/干式真空吸尘器包括用于排气流的扩散器，其提供用于减少排气速度的周向排气。

33. 发明授权

US5419007A Snap together wet nozzle 失效
标题翻译：紧扣湿嘴
公开(公告)号：US5419007A
公开(公告)日：1995-05-30
申请号：US167137
申请日：1993-12-16
申请人： David R. Hult , Stuart V. Holsten , George P. Tyree
发明人： David R. Hult , Stuart V. Holsten , George P. Tyree
IPC分类号： A47L9/06 , A47L13/12 , A47L7/00
CPC分类号： A47L9/0626 , A47L13/12 , A47L9/06
摘要： A snap together wet nozzle for use with a vacuum cleaner is disclosed. The snap together wet nozzle includes an elongated U-shaped nozzle housing with closed ends including a connecting tube passageway for association with the vacuum cleaner. An elongated squeegee is mounted within the elongated U-shaped housing and is held in releasable locking engagement between a locking squeegee bar and the elongated U-shaped housing. The locking squeegee bar has a plurality of spaced squeegee prongs for reception within spaced complementary configuring openings in the elongated squeegee element, the spaced squeegee prongs being cooperatively engaged by a plurality of spaced prong receptacles formed in the elongated U-shaped nozzle housing. Complementary releasable locking means are associated with the elongated U-shaped nozzle housing and the locking squeegee bar for releasably holding the locking squeegee bar and associated elongated squeegee element relative to the elongated U-shaped nozzle housing.
摘要翻译：公开了一种与真空吸尘器一起使用的紧固在一起的湿嘴。卡扣在一起的湿喷嘴包括具有闭合端的细长U形喷嘴壳体，包括用于与真空吸尘器相关联的连接管通道。细长的刮板被安装在细长的U形外壳内，并被保持在锁定的刮板和细长的U形外壳之间的可释放的锁定接合中。锁定刮板杆具有多个间隔开的刮刀叉，用于在细长的刮板元件中的间隔开的互补配置开口内接收，间隔开的刮刀叉由形成在细长的U形喷嘴壳体中的多个间隔开的插销容座协作地接合。互补的可释放锁定装置与细长的U形喷嘴壳体和锁定刮板杆相关联，用于可释放地将锁定刮板杆和相关联的细长刮板元件相对于细长的U形喷嘴壳体保持。

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