The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 2014
Filed:
Dec. 29, 2009
Stijn Claessens, Meerbeek, BE;
Klaas Geert Wijma, Haarlem, NL;
Stijn Claessens, Meerbeek, BE;
Klaas Geert Wijma, Haarlem, NL;
Dredging International N. V., Zwijndrecht, BE;
Vosta LMG B.V., Amsterdam, NL;
Abstract
The invention relates to a cutter head () for dredging ground under water, this cutter head being suitable for attachment rotatably around a central axis to the ladder () of a cutter suction dredger () and for being moved through the ground () therewith in a lateral sweeping movement, the cutter head comprising a base ring (), a hub () situated at a distance in the direction of the central axis from the base ring, and a plurality of arms () extending from the base ring to the hub, wherein a passage opening () is located between arms and wherein the arms are provided with a first series of cutting tools on a leading part () relative to the direction of rotation of the cutter head, and wherein at least one arm is provided with a second series of cutting tools on a part of the arm () facing away from the central axis.