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:
Jun. 11, 2013
Filed:
Feb. 15, 2008
Joop Roodenburg, Delft, NL;
Diederick Bernardus Wijning, Schiedam, NL;
Terence Willem August Vehmeijer, The Hague, NL;
Robert Frodo Van Kuilenburg, Hellevoetssluis, NL;
Joop Roodenburg, Delft, NL;
Diederick Bernardus Wijning, Schiedam, NL;
Terence Willem August Vehmeijer, The Hague, NL;
Robert Frodo Van Kuilenburg, Hellevoetssluis, NL;
ITREC B.V., Schiedam, NL;
Abstract
A hoisting crane with a substantially hollow vertical column with a foot which is or can be fixed to a support, and with a top, an annular bearing structure, which extends around the vertical column and guides and carries a jib connection member, so that the jib connection member can rotate around the column, a jib connected to the jib connection member, the jib connection member forming a substantially horizontal pivot axis so that the jib can be pivoted up and down, a column top cable guide having a topping cable and hoisting cable pulley assembly, a topping winch and an associated topping cable for pivoting the jib up and down, a hoisting winch and an associated hoisting cable for hoisting a load; wherein the column top cable guide is mounted via an associated rotary bearing structure at the top of the column.