| 摘要 |
<p>A mobile, yard crane for handling containers or the like, characterized in that it comprises at least two lifting jibs (B, C) which act along vertical planes fixedly parallel to one another. The crane jibs are mechanically independent but are connected to one another by way of a suitable hydraulic circuit which is able of ensuring congruency and synchronism in the motions of same. The heads (F, G) of the crane jibs are fitted with attaching devices (M, N) which are designed to firmly retain a container engaging apparatus (spreader) (P) at least at two locations thereof, the retaining action being preferably of a rigid type.</p> |
