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    • 8. 发明授权
    • Transmission neutral locking arrangement for a self-propelled vacuum
cleaner
    • 用于自行式吸尘器的传动中立锁定装置
    • US5974622A
    • 1999-11-02
    • US75352
    • 1998-05-08
    • Jeffrey S. LouisJeffery A. MorganVincent L. WeberGlenn E. SpechtKenneth L. Symensma
    • Jeffrey S. LouisJeffery A. MorganVincent L. WeberGlenn E. SpechtKenneth L. Symensma
    • A47L5/30A47L9/00
    • A47L5/30
    • A self-propelled upright vacuum cleaner is provided having a lower portion and an upright handle portion pivotally attached to the floor engaging portion for a pivotal motion between an upright storage position and a pivotal operating position. A drive wheel mounted to the floor engaging portion. A transmission operatively connected to the drive wheel and a motor drivingly connected to the transmission for driving the drive wheel in forward and reverse. A transmission actuator arm pivotally mounted to the floor engaging portion adjacent to the transmission for pivotal motion about a pivot axis located at a central portion of the actuator arm. A manual actuator mounted to the handle portion. The manual actuator is operatively connected to the actuator arm, whereby when an operator actuates the manual actuator actuator arm pivots in first and second directions, respectively, from a neutral position, such that the actuator arm actuates the transmission to place the transmission in forward and reverse, respectively. First and second cams extend from the handle portion and are located to engage the actuator arm at two locations spaced to either side of the pivot axis of the actuator arm when the handle is raised to the upright storage position, whereby the cams place and lock the actuator arm in the neutral position when the handle portion is pivoted to the upright storage position.
    • 提供了一种自推式直立式真空吸尘器,其具有下部和可枢转地附接到地板接合部分的直立手柄部分,用于在直立存储位置和枢转操作位置之间的枢转运动。 安装在地板接合部分上的驱动轮。 可操作地连接到驱动轮的变速器和驱动地连接到变速器的马达,用于向前和向后驱动驱动轮。 变速器致动器臂枢转地安装到靠近变速器的地板接合部分,用于围绕位于致动器臂的中心部分处的枢转轴线的枢转运动。 安装到手柄部分的手动致动器。 手动致动器可操作地连接到致动器臂,由此当操作者致动手动致动器致动器臂分别从中立位置在第一和第二方向枢转时,使得致动器臂致动变速器以将变速器向前和 相反。 第一和第二凸轮从手柄部分延伸并且被定位成当手柄升高到直立存储位置时间隔到致动器臂的枢转轴线的任一侧的两个位置处接合致动器臂,由此凸轮将锁定 致动器臂处于中立位置,当手柄部分枢转到直立存放位置时。
    • 10. 发明授权
    • Multiple chamber suction nozzle configuration
    • 多室吸嘴配置
    • US07159277B2
    • 2007-01-09
    • US10142758
    • 2002-05-08
    • Ryan S. SteinerGreg A. BilekVincent L. Weber
    • Ryan S. SteinerGreg A. BilekVincent L. Weber
    • A47L9/04
    • A47L9/0411A47L9/04A47L9/0427A47L9/0433A47L9/0444A47L9/0488
    • A vacuum cleaner is provided having a suction nozzle comprised of a transparent agitator housing and an opaque suction nozzle body. The agitator housing forms a downwardly disposed nozzle chamber divided into a right and left agitator chamber. The right and left agitator chambers each have a forward or front suction duct adjacent the front edges of the respective agitator chambers. The right and left agitator chambers also each have a rearward or rear suction duct adjacent the rear edges of the respective agitator chambers. A nozzle liner is also disposed within the nozzle chamber partially forming a right and left dirt and air passage over the right and left agitator chambers, respectively, to fluidly connect the respective front suction ducts with the rear discharge ports located in the rear of each of the right and left agitator chambers. The rear suction ducts are also fluidly connected to respective rear discharge ports to remove dirt particles. The front and rear stringers of bottom plate of the foot serve as ledges or bottom walls of the respective front and rear suction ducts. Dirt particles flung onto the ledges by the front and rear agitators are momentarily captured on the ledges before being removed by the respective front or rear suction duct.
    • 提供了具有由透明搅拌器壳体和不透明吸嘴体构成的吸嘴的真空吸尘器。 搅拌器壳体形成分成左右搅拌器室的向下设置的喷嘴室。 左右搅拌器室各自具有与各个搅拌室的前边缘相邻的前部或前部吸入管道。 左右搅拌器室还各自具有邻近相应搅拌器室的后边缘的向后或后吸入管道。 喷嘴衬套也设置在喷嘴室内,分别部分地在左右搅拌器室上形成左右的污物和空气通道,以将相应的前吸气管与位于每个的后侧的后排出口流体连接 左右搅拌器室。 后抽吸管也流体连接到相应的后排出口以去除污垢颗粒。 脚底板的前后桁条用作相应的前后吸气管道的凸缘或底壁。 通过前后搅拌器排放到凸缘上的污垢颗粒在被相应的前吸入管或后吸入管移除之前被瞬间捕获在突出部上。