a device that pushes a pile by increasing a weight between guideposts and falling it in the head for the heap.
person who runs such a device.
A machine for forcing a pile, a long beam, into the ground as part of the construction of a foundation; usually by raising a weight and then dropping it on the beam.
someone who hits or strikes forcefully or powerfully.
an apparatus for operating down heaps, consisting usually of a higher frame, with appropriate devices for raising to a height (by pet or steam power, the surge of gunpowder, etc.) a heavy size of iron, which drops upon the pile.
A workman occupied in operating heaps.
A machine or contrivance, usually worked by steam, for driving piles.