| 摘要 |
<p>Arrangement in a spreader designed for hoisting containers, comprising at least two in mutual opposite directions extendable beams (10) having coupling means provided in the outmost ends, the beams being carried in parallel for sliding motion in a common box shaped body (16) including drive means and motion transferring means for the extending and retracting movements, respectively, of the beams, each beam (10) having in its inner end an additional beam member (1) carried for axial movements relative to the beam, and which is moved by the beam (10) to operate, in the fully extended end position of the beam (10), as an extension of the beam (10) while providing the necessary engagement with the housing body (16), and which is moved by the beam (10) to rest in an overlapping position on the beam (10) in the fully retracted end position of the beam (10).</p> |
