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    • 6. 发明申请
    • SUCTION TUBE FOR A VACUUM CLEANER
    • 吸尘管用于真空清洁器
    • US20100018001A1
    • 2010-01-28
    • US11720777
    • 2005-11-17
    • Kai BullerDirk Wegener
    • Kai BullerDirk Wegener
    • A47L9/02
    • A47L9/244
    • A suction hose for vacuum cleaner includes a tubular inner part, a jacket part and a locking device. The inner part is variable in length and includes a hose wall having a coil spring integrated therein, the coil spring being configured to automatically return the inner part from an extended position to a shortened position. The jacket part is configured to completely receive the inner part when the inner part is in the shortened position, the jacket part including a tubular shape. The locking device is configured to fix the inner part, in the shortened position, in the jacket part. The locking device includes a tubular member configured to surround the inner part, the tubular member including a first part of a first snap-fit device configured to cooperate with the jacket part so as to connect the tubular member and the jacket part.
    • 用于真空吸尘器的抽吸软管包括管状内部部件,护套部件和锁定装置。 内部部分长度可变,并且包括具有集成在其中的螺旋弹簧的软管壁,所述螺旋弹簧构造成自动地将内部部件从延伸位置返回到缩短位置。 当内部部件处于缩短位置时,护套部件被构造为完全容纳内部部件,护套部件包括管状形状。 锁定装置被构造成将缩短位置的内部部分固定在护套部分中。 锁定装置包括构造成围绕内部部分的管状构件,管状构件包括构造成与护套部分配合以便连接管状构件和护套部件的第一卡扣配合装置的第一部分。