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    • 2. 发明授权
    • Dual-tank vacuum cleaner
    • 双罐真空吸尘器
    • US08074321B2
    • 2011-12-13
    • US11364460
    • 2006-02-28
    • Kevin D. FryRobert Lent Crevling, Jr.
    • Kevin D. FryRobert Lent Crevling, Jr.
    • A47L5/00
    • A47L5/225A47L5/365A47L7/0019A47L7/0028A47L7/0038A47L7/0042A47L9/22
    • The disclosed vacuum cleaner has a smaller, separable vacuum unit that is releasably attached to a larger, base unit tank assembly. It provides a combination vacuum cleaner that has small- and large-capacity configurations suited for vacuum applications having different volumes, locations, or other features. The vacuum cleaner includes a single vacuum source sized for use with the larger tank structure, yet coupled to and removable integrally with the smaller vacuum unit. The smaller vacuum unit can be quickly and easily attached to and removed from the larger tank assembly to facilitate use of the vacuum cleaner in the desired configuration.
    • 所公开的真空吸尘器具有更小的可分离的真空单元,其可释放地附接到较大的基本单元罐组件。 它提供一种组合吸尘器,具有适用于具有不同体积,位置或其他特征的真空应用的小尺寸和大容量配置。 真空吸尘器包括单个真空源,其尺寸与较大的罐结构一起使用,但与较小的真空单元联合并与其一体地移除。 较小的真空单元可以快速且容易地连接到较大的罐组件和从较大的罐组件移除,以便于以期望的构造使用真空吸尘器。
    • 9. 发明授权
    • Portable combined toolbox and vacuum cleaner
    • 便携式组合工具箱和吸尘器
    • US08689396B2
    • 2014-04-08
    • US13177938
    • 2011-07-07
    • Melvin E. WolfeRobert Lent Crevling, Jr.Craig A. SeasholtzJason GottschallJohn Griffin
    • Melvin E. WolfeRobert Lent Crevling, Jr.Craig A. SeasholtzJason GottschallJohn Griffin
    • A47L5/00
    • A47L9/0018A47L5/362
    • Mating connectors enable a vacuum cleaner section to be releasably attached to a toolbox section. The connectors include a downward-facing tongue that fits in a corresponding horizontal slot. The tongue has a vertical slot that corresponds with a vertical flange adjacent the slot. An interacting tab and slot prevent the vacuum cleaner section from being removed from the toolbox section when a closeable top on the toolbox section is closed. The two sections attach in a position in which upright side walls on the vacuum cleaner section align with the upright sides on the toolbox section, and an extended horizontal work surface is formed by portions of the hinged top on the toolbox section and the vacuum cleaner section. A handle on the vacuum cleaner section can form part of the horizontal work surface, which has parallel lateral grooves with co-linear segments on opposite sides of a recessed channel. A wheeled version has a handle hinged to a mount and a pocket that encircles and supports the vacuum cleaner section. Another version has a handle that retracts into the recessed channel and is arranged to support the top against the ground when the top is fully open.
    • 配合连接器使真空吸尘器部分可拆卸地连接到工具箱部分。 连接器包括配合在相应的水平槽中的朝下的舌头。 舌头具有垂直槽,其对应于与槽相邻的垂直凸缘。 当工具箱部分的可关闭顶部关闭时,相互作用的接头和插槽可防止吸尘器部分从工具箱部分移除。 两个部分附接在真空吸尘器部分上的直立侧壁与工具箱部分上的直立侧对准的位置,并且延伸的水平工作表面由工具箱部分上的铰接顶部的部分和真空吸尘器部分 。 真空吸尘器部分上的手柄可以形成水平工作表面的一部分,其具有在凹陷通道的相对侧上具有共线的段的平行横向槽。 轮式版本具有铰接到安装件的手柄和环绕并支撑真空吸尘器部分的口袋。 另一个版本具有缩回凹入通道的手柄,并且被布置成当顶部完全打开时将顶部抵靠地面支撑。