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:
Jul. 09, 1991
Filed:
May. 07, 1990
George Keller, Kingman, AZ (US);
Other;
Abstract
A tool apparatus wherein an elongate longitudinally aligned handle includes a plurality of rollers rotatably mounted coaxially spaced from the handle forwardly thereof. The rollers include deburring or cutting edges to remove roughness and smooth edge surfaces of brittle material such as metals, rigid polymerics, and the like. Modifications of the invention includes a first roller biased against a second roller utilizing a hinged lever arm pair mounting one roller relative to the other roller. Further modifications include conically tapered rollers each including an axis parallel relative to one another wherein a removable conical abrasive sheaths are securably mounted utilizing adhesive and the like onto a respective conical roller.