Device for driving a stake into the ground

Details Device for driving a stake into the ground Device for driving a stake into the ground

1993-02-08

1993-10-19

Corbin, David H.

Hydraulic and earth engineering

Foundation

Columnar structure

405230, E02D 720, E02D 2748

Patent

active

052539580

ABSTRACT:
A device for driving a stake into the ground, particularly a foundation stake of new or existing buildings. The device may also be used for stabilizing, raising and shoring foundations, or for any other similar application. The device has two hydraulic jacks on which are secured two rods, the hydraulic jacks and the rods being parallel to the driving axis of the stake. The device has also a driving member provided with a hammering head continuously in contact with the upper end of the stake during the power stroke of the hydraulic jacks Bores are provided in the hammering head in which the rods are inserted. Latches facing each other are provided in the hammering head to prevent segments of larger diameter on the rods from going through the bore during the return stroke but not during the power stroke, therefore allowing the stake to be driven by the hammering head during the return stroke.

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patent: 5120163 (1992-06-01), Holdeman et al.

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