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:
Feb. 21, 1989
Filed:
Sep. 08, 1987
Applicant:
Inventors:
Horst Kolleth, Zeltweg, AT;
Andreas Wieczorek, Leoben, AT;
Assignee:
Voest-Alpine Aktiengesellschaft, Linz, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
198314 ; 1983071 ; 198317 ; 198318 ; 198494 ; 198509 ;
Abstract
The bucket-wheel excavator comprises a swivellable bucket-wheel boom 6 and a swivellable bridge 11. At a transfer location, the bridge 11 is rotatably supported on a truncated conical superstructure 10 and the turntable b 16 l of the bridge comprises raking protrusions 17, which clear the surface 18 of the superstructure 10 of debris when swivelling the turntable 16 (FIG. 1).