Apparatus for pile driver cushion recoil

Details Apparatus for pile driver cushion recoil Apparatus for pile driver cushion recoil

1978-07-07

1980-10-07

Schroeder, Werner H.

Tool driving or impacting

Impacting devices

Hammer head comprises plural parts or diverse materials

E02D 710, E02D 714

Patent

active

042262879

ABSTRACT:
In an apparatus for driving a pile or similar object by the stroke of a hammer, the impact of a hammer stroke is transmitted to the pile or similar object through resilient means comprising a precompressed gas in at least two closed chambers, which may intercommunicate, arranged in series.

REFERENCES:
patent: 3417828 (1968-12-01), Duyster et al.
patent: 4078619 (1978-03-01), Sudnishnikov et al.
patent: 4102408 (1978-07-01), Ludvigson
patent: 4109734 (1978-08-01), Montabert
patent: 4121671 (1978-10-01), West

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