| 摘要 |
A dredge for operation from the stern of marine vessels and of the type having runners which enable it to be moved along a ramp at the stern of a marine vessel is provided with structure for preventing its twisting and misalignment of the dredge as it passes through the wake of the propeller or a large wave, and also with a pivotally mounted door which will snap into a latched (closed) position by impact when empty and permitted to fall freely from above and into contact with the water adjacent the stern of the vessel, and which will be automatically released as the dredge with door closed and contents intact is raised onto and slidably moved along the ramp toward the bow of the vessel and the discharge station.
|
