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    • 4. 发明授权
    • Cleaner
    • 清洁器
    • US4811449A
    • 1989-03-14
    • US107640
    • 1987-10-13
    • Kiyoshi Kobayashi
    • Kiyoshi Kobayashi
    • A47L13/24A47L13/20A47L13/44A47L13/256A47L13/29
    • A47L13/44
    • A cleaner wherein the upper surface of a main body is provided with fasteners each of which includes a stopper arm portion which is opened and closed by slidably operating an opening and closing lever that is engageable with sides of the main body, while each side of the main body is provided with a pile composed of short tufts. A cloth having a larger area than that of the bottom of the main body is pierced with the pile to lock the same to the opposite sides of said main body, and the cloth is positively retained on the opposite sides of the main body by the stopper arm portions of the fasteners, so that the bottom of the main body is covered with the cloth.
    • 一种清洁器,其中主体的上表面设置有紧固件,每个紧固件包括止动臂部分,该止动臂部分通过可滑动地操作可与主体的侧面接合的打开和关闭杆而打开和关闭, 主体设有由短簇组成的桩。 具有比主体底部的面积大的面积的布被绒头刺穿以将其锁定到所述主体的相对侧,并且布被止动件牢固地保持在主体的相对侧上 紧固件的臂部,使得主体的底部被布覆盖。