Apparatus with flexibly mounted spud carriage

Details Apparatus with flexibly mounted spud carriage Apparatus with flexibly mounted spud carriage

2011-03-08

2011-03-08

Will, Thomas B (Department: 3671)

Excavating

Beneath a body of water

With vessel, propulsion, or anchor structure

C037S307000, C037S345000, C114S295000

Reexamination Certificate

active

07900381

ABSTRACT:
In one embodiment of the present invention, an apparatus is disclosed for accommodating a substantially vertical spud of a dredging vessel with a longitudinal direction, including a spud carriage which is mounted for limited rotation around a horizontal transverse axis, wherein at least a first and a second spring device is arranged under bias between vessel and spud in the longitudinal direction for the purpose of absorbing a moment on the spud carriage, which first and second spring devices compensate each other in the non-loaded situation of the spud; and at least one spring device is provided with a spring force limiting device for limiting the tension in the spring element from a determined maximum moment on the spud carriage.

REFERENCES:
patent: 3003454 (1961-10-01), Shatoska et al.
patent: 3601187 (1971-08-01), Tidwell
patent: 4033056 (1977-07-01), Demmers
patent: 4342164 (1982-08-01), Claassen
patent: 4432420 (1984-02-01), Gregory et al.
patent: 4646841 (1987-03-01), Schawann et al.
patent: 5311682 (1994-05-01), Sturdivant
patent: 6817422 (2004-11-01), Jordan
patent: 2008/0251258 (2008-10-01), Bamford
patent: EP227143 (1987-01-01), None
patent: 1011753 (2000-12-01), None

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