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:
Mar. 19, 2002
Filed:
Jun. 01, 2000
Applicant:
Inventor:
Jeffery A. Whalin, Fountain Hills, AZ (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28D 1/02 ;
U.S. Cl.
CPC ...
B28D 1/02 ;
Abstract
A machine for cutting brittle materials includes a mandrel or shaft ( ) having a first portion ( ) with a taper, a sleeve ( ) having an inner surface ( ) and an outer surface ( ) where the inner surface has the taper and is located adjacent to the first portion of the shaft, and a coating ( ) around the outer surface where the coating has grooves ( ) extending around the sleeve.