| 摘要 |
<p>Weighing apparatus comprises support means to support the article to be weighed, a pair of screws (46,48) fixedly mounted on the support means and a base member (44) movable relative to the screws between a first position in which the base member is spaced from the bottom of the article and a second position in which the base member is in contact with the article. Screw receiving members (50a,52a) are threadably mounted on the screws and are connected to the base member, whereby upon rotation of the screw receiving members the base member is moved between the first and second positions.</p> |
