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:
Aug. 07, 2018
Filed:
Jun. 06, 2014
Applicant:
Technological Resources Pty. Limited, Melbourne, Victoria, AU;
Inventors:
Rocky Lynn Webb, North Bay, CA;
Fredric Christopher Delabbio, Samford, AU;
Assignee:
Technological Resources Pty. Limited, Melbourne, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21D 7/02 (2006.01); E21D 1/03 (2006.01); E21F 13/00 (2006.01); B66B 9/16 (2006.01); B66B 7/02 (2006.01); B66B 19/00 (2006.01);
U.S. Cl.
CPC ...
E21D 7/02 (2013.01); B66B 7/02 (2013.01); B66B 9/16 (2013.01); E21D 1/03 (2013.01); E21F 13/00 (2013.01); B66B 19/00 (2013.01);
Abstract
A variable length guide system for guiding a conveyance along a mineshaft, the variable length guide system extending downwardly from a work stage and being extendable or retractable to accommodate changes in distance between the work stage and a lower region of a mineshaft.