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:
Nov. 19, 2019
Filed:
May. 19, 2015
Hans Künz Gmbh, Hard, AT;
Georg Klapper, Hard, AT;
Hans Künz GmbH, Hard, AT;
Abstract
Crane girder () for a crane (), wherein the crane girder () includes a hollow profile () having an outer wall () enclosing a cavity () and extends longitudinally, and the outer wall () of the crane girder (), as seen in a cross-section through the crane girder (), has a shape which bulges outwards at least in some regions in order to reduce aerodynamic drag, wherein the outer wall (), as seen in the cross-section through the crane girder (), has two sections () facing one another with an outwards bulging shape, which are joined together by two straight wall sections () of the outer wall (), these straight wall sections face one another, and the crane girder () has at least one running surface () for at least one running wheel () of a trolley () of a lifting tool of the crane (), wherein the sections () facing one another with an outwards bulging shape point upwards and downwards in an operating position of the crane girder and the straight wall sections () delimit the crane girder () on the sides.