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:
Dec. 16, 2003
Filed:
Mar. 21, 2002
Jeffrey H. Washburn, Shoreview, MN (US);
Gary G. Edwards, Blaine, MN (US);
Other;
Abstract
A grate segment fastening system for an ore grinding machine, comprising a grate, including a top surface and a bottom surface opposite the top surface, wherein the top surface and the bottom surface are separated by a grate thickness, the grate being defined in use by an axis end, and a circumferential end opposite the axis side; wherein the grate is further defined by a second lateral surface, and a first lateral surface opposite the second lateral surface, the first lateral surface further comprising a raised mounting portion wherein at least one mounting bore extends into and through the body of the raised mounting portion, a plurality of throughput apertures extending through the grate from the top surface to the bottom surface and, a grate holder, including a top surface and a pulp lifter contact surface, opposite the top surface, the grate holder being defined by an axial end, and a circumferential end opposite the axial end, an anchor bore of predetermined transverse size extending from the top surface to the pulp lifter contact surface, a mounting bore of predetermined transverse size extending at least partially into the mounting surface, and; a threaded member insertable through a mounting bore of the grate into an aligned mounting bore on the grate holder.