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:
Mar. 24, 2015
Filed:
May. 26, 2011
Applicants:
Frank Hubrich, Dresden, DE;
Dieter Hoffmann, Leipzig, DE;
Inventors:
Frank Hubrich, Dresden, DE;
Dieter Hoffmann, Leipzig, DE;
Assignee:
TAKRAF GmbH, Leipzig, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G 65/28 (2006.01);
U.S. Cl.
CPC ...
B65G 65/28 (2013.01);
Abstract
A compact spreader on continuous tracks () for use in opencast mining has a discharge boom () with a rearward extension designed as a rocker having a counterweight (). The rocker is suspended centrally in a framework () over the turntable (). Hydraulic cylinders () absorb only forces from half of the imposed load. The embodiment according to the invention is suitable for large band widths and discharge projections up to 100 m and eliminates the danger of tipping over.