| 摘要 |
<p>A tube shaft for a vacuum cleaner comprising an upper socket for a tube handle or the like connected to the tube shaft and a lower socket to be directly or indirectly connected to a nozzle or the like. The tube shaft comprises upper and a lower tube-shaped parts (16, 17) that are pivotally connected to one another by means of a knee-shaped link means (18). The knee-shaped link means (18) comprises upper ad a lower tube sections (20, 21) that are pivotally connected to one another and shaped such that the knee-shaped link means in a position where the upper tube section (20) is placed in line with the lower tube section (21) forms a continuous channel.</p> |
