| 摘要 |
<p>The travelling grab handles a layer of bottle crates arranged close together, but not secured to each other, by means of hooks engaging in openings in the sidewalls. A hook is provided for each of the four crate walls and those engaging with a set of walls in line are mounted on a common pivoting shaft. There are two sets of shafts at right angles to each other, and in horizontal planes one above the other. The shafts are supported from each other where they cross over.</p> |
