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:
Jan. 21, 1997
Filed:
Jan. 30, 1995
Applicant:
Inventors:
Joachim Kroll, Juchen, DE;
Peter Richter, Bergheim, DE;
Assignee:
Mannesmann Aktiengesellschaft, Dusseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01B / ;
U.S. Cl.
CPC ...
212225 ; 104-3 ; 212226 ; 212230 ;
Abstract
A crane for raising and lowering a load, which crane includes a vehicle frame with end areas and a slewing device arranged on the vehicle frame. The slewing device includes at least two basic slewing columns slewable by 360.degree., mounted on the vehicle frame in the vehicle frame end areas. Additionally, a separate articulated slewing arm having at least two elements is located on each basic slewing column.