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. 28, 1984
Filed:
Jan. 29, 1982
Joseph F Ondrus, Jr, Affton, MO (US);
John J Schimweg, St. Charles, MO (US);
Sunnen Products Company, St. Louis, MO (US);
Abstract
A tool and a grinding member for installing thereon comprising a support structure having inner and outer portions journaled for relative rotational movement, a guide member for mounting on an object having a surface to be ground, the guide member having a cylindrical portion that extends from the object in a position centered on the axis of the surface to be ground, the inner portion of the support structure having a surface for making sliding engagement with the cylindrical guide portion, a work engaging member for mounting on the outer portion of the support structure in position to engage the surface to be ground when the tool is moved axially along the cylindrical portion of the guide member, the work engaging member having a surface portion contoured to the desired shape of the surface to be ground and having surface grooves formed therein at spaced locations extending thereacross, and a layer of relatively hard, wear resistant materials and a binder formed on the contoured surface of the work engaging member.