Patent · US Expired

Mobile crane

US5597078A · kind A · utility

8Cited by

6References

9Claims

0Family size

Assignee

LIEBHERR-WERK EHINGEN GMBH · DE

Inventors

Rudolf Becker · Ingolstadt, DE
Hans-Dieter Willim · Bad Saulgau, DE
Uwe Frommelt · Wassertrüdingen, DE

Key dates

Filing date	Aug 5, 1994
Grant date	Jan 28, 1997
Priority date	—
Expiry date	Aug 5, 2014

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB66C23/702
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

The invention relates to a mobile crane comprising a lower vehicle and an upper vehicle turningly mounted thereon and bearing a telescoping boom with a luffing cylinder for the pivoting thereof. The telescoping boom comprises two parts able to be bolted together and each having an external tube, from which respectively at least one telescope member may be extended.

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