| 摘要 |
<p>Title: PACKING FILM DISPENSER A dispenser suited for plastic packing film under tension about an object of large volume has a platformshaped base with a handle and a round pipe with a slope at its upper end fixed onto the base, on the round pipe is a pressing post with a slope at its lower end to match with the slope on the upper end of the round pipe, on its upper surface of the pressing post is an un-rounded hollow, in the hollow is a hole; a pillar is threaded on its lower surface and with a head of the same shape as the hollow formed on the upper surface of the pressing post is thrusted through the pressing post and the round pipe and extends out of the buttom of the base and an adjusting bolt is screwed onto the lower end of the pillar; the round pipe and the pressing post are enveloped by a sliding pipe, inside its upper end is a nut, a screw post is screwed into the nut, on the screw post is a wheel with a set of tension elements above it. By rotating the adjusting bolt beneath the base to let the pressing post be loose, then the sliding pipe can be slided freely to adjust the distance between the base and the wheel.</p> |
