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. 14, 2003
Filed:
Jun. 30, 2000
Joseph Chryst Walker, Albany, CA (US);
Randall D. Peterson, Sandy, UT (US);
Brandon H. Woolley, Provo, UT (US);
Jonathan Wayne Wittwer, Provo, UT (US);
Joel Brian Mundt, Provo, UT (US);
Jesse Tate Olson, Provo, UT (US);
Brian Douglas Gate, Provo, UT (US);
Nathan L. Baker, Lehi, UT (US);
K. S. Mortensen, Provo, UT (US);
Other;
Abstract
A softwall mining method and device. Each of a plurality of mining devices comprise a supporting portion, an earth moving portion and a coupling mechanism for advancing the earth moving portion into a mining face, and for advancing the supporting portion toward the earth moving portion. Supporting portions of the devices are locked together to anchor movement of the earth moving portions, and earth moving portions of the devices are separately locked together to anchor the movement of the supporting portions.