bucket ladder

noun

1. 1. a series of buckets that move in a continuous chain, used to dredge riverbeds, etc, or to excavate land
   2. ( as modifier )

      a bucket-ladder dredger

Example Sentences

A woman inside made her way to a window and was helped out of the building in a bucket ladder, and officials announced that other people were missing.

From New York Times

The main feature of the machine is the bucket ladder which is hung at the top end by eye straps to the frame of the vessel, and at the lower end by a chain reived in purchase blocks and connected to the hoisting gear, so that the ladder may be raised and lowered to suit the varying depths of water in which the dredger works.

From Project Gutenberg

The bucket ladder, which weighs over 100 tons, exclusive of dredgings, is raised and lowered by a set of independent engines.

From Project Gutenberg

These rock cutters consist of stamps passing down through the bottom of the dredger, slightly in advance of the bucket chain, and are employed for breaking up rock in front of the bucket ladder so that it may be raised by 564 buckets afterwards.

From Project Gutenberg

The bucket ladder is fitted with buffer springs at its upper end to lessen the shock when working in a seaway.

From Project Gutenberg