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:
Dec. 10, 2019
Filed:
Sep. 08, 2017
Applicant:
Itrec B.v., Schiedam, NL;
Inventors:
Joop Roodenburg, Delft, NL;
Hendrikus Jacobus Weterings, 's-Gravenzande, NL;
Assignee:
ITREC B.V., Schiedam, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66C 23/52 (2006.01); B66C 23/64 (2006.01); B66C 23/66 (2006.01); B66C 23/82 (2006.01);
U.S. Cl.
CPC ...
B66C 23/52 (2013.01); B66C 23/64 (2013.01); B66C 23/66 (2013.01); B66C 23/82 (2013.01);
Abstract
A double jib stewing pedestal crane includes a main jib, a secondary jib, and a secondary jib positioning device to support and position the secondary jib with respect to the main jib and actuate the pivotal movement of the secondary jib. The secondary jib positioning device includes a secondary jib positioning cable, a spoke structure fixed to the secondary jib and extending radially outward, and a tension chain connected at one end to the secondary jib positioning cable and at the other end to the secondary jib and/or to the spoke structure. The spoke structure is adapted to support the tension chain.