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:
Apr. 19, 2005
Filed:
Oct. 01, 2003
Alexander I. Wallstein, Salt Lake City, UT (US);
Raymond Brandon, Grand Junction, CO (US);
Roland Walker, Syracuse, UT (US);
Steven Brady, Ogden, UT (US);
Alexander I. Wallstein, Salt Lake City, UT (US);
Raymond Brandon, Grand Junction, CO (US);
Roland Walker, Syracuse, UT (US);
Steven Brady, Ogden, UT (US);
Dywidag-Systems International, U.S.A., Inc., Bolingbrook, IL (US);
Abstract
A mine roof bolt for use with a cable comprises a barrel having a first end and a second end, the second end having a rounded surface, a bore extending through the barrel between the first end and the second end and including a tapered portion, the bore sized to receive the cable, a pair of wedges sized for placement in the tapered portion of the bore and adapted to frictionally engage a cable disposed in the tapered portion of the bore, a recess defined in the first end of the barrel, and a driving nut sized for insertion in the recess and adapted for engagement by a driving tool.