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:
Nov. 24, 2009
Filed:
Jul. 11, 2006
Applicants:
Patrick Mcauliffe, Chicago, IL (US);
Jie Liu, Lisle, IL (US);
Inventors:
Patrick McAuliffe, Chicago, IL (US);
Jie Liu, Lisle, IL (US);
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23C 5/10 (2006.01); B26D 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rotary tool accessory for shaping hard, brittle material is disclosed. In one embodiment, a work portion includes a first flute extending from one end portion of the work portion toward the other end of the work portion and a first land adjacent to the first flute. A first leading edge is located between the first flute and the first land and at least one recess extends from the first leading edge into the first land. An abrasive material is located at the surface of the first leading edge.