Patent · US Active

Lattice piece for a lattice boom, lattice boom and crane

US9738495B2 · kind B2 · utility

1Cited by

1References

18Claims

0Family size

Assignee

LIEBHERR-WERK EHINGEN GMBH · DE

Inventors

Roland Bohnacker · Blaubeuren, DE
Ulrich Wiedemann · Munich, DE
Thomas Klaiber · Waiblingen, DE

Key dates

Filing date	Jun 16, 2015
Grant date	Aug 22, 2017
Priority date	—
Expiry date	Aug 6, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB66C23/70
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

The present invention relates to a lattice piece for a crane boom comprising at least two lattice piece parts which are separably connected to one another in the longitudinal direction by means of one or more releasable connection points, wherein one or more lattice piece parts have one or more longitudinal tubes at least sectionally in the region of the connection points.

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