Patent · US Active

Crane, in particular bridge crane or gantry crane, having at least one crane girder

US10407281B2 · kind B2 · utility

1Cited by
16References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 2016
Grant dateSep 10, 2019
Priority date
Expiry dateAug 2, 2036

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE04C2003/0491
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A crane, such as a bridge crane or gantry crane, having at least one horizontally extending crane girder, which is designed as a lattice girder having a plurality of braces and on which a crane trolley having a lifting device can be moved. At least some of the braces are planiform, and each of the planiform braces has a flat main surface, which extends transversely to a longitudinal direction of the crane girder. On each longitudinal side of the braces, a first cut-out and a second cut-out are provided in the main surfaces. The longitudinal sides of at least some of the planiform braces are free of edge bends at least between the first and second cutouts.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.