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. 08, 2011
Filed:
Jul. 20, 2007
Applicant:
Erich Brandl, Grosslobming, AT;
Inventor:
Erich Brandl, Grosslobming, AT;
Assignee:
Sandvik Mining and Construction G.m.b.H., Zeltweg, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21D 23/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a supporting device () for an advance working or mining machine (), including support props () and at least one roof bar (), the roof bar(s) (), on their sides facing away from the support props (), include(s) a plurality of support cylinders () with support stops, which can be separately braced against the roof.