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:
Jun. 07, 2005
Filed:
Jun. 21, 2001
Richard Hagan, Seymour, CT (US);
Richard Hagan, Seymour, CT (US);
Other;
Abstract
A grinding machine uses a conical grinding wheel () to create a non-circularly symmetric surface (defining, for example, a re-entrant cam) on a workpiece. The machine is operable to rotate such a workpiece about a first axis () and the machine has drive means for rotating the conical wheel about a second axis (). A feeding mechanism brings the wheel into contact with the workpiece to define a line of grinding where the wheel contacts the workpiece (i.e. a cutting line). In use, a rocking movement is imparted to the wheel and spindle relative to the workpiece as the latter rotates so as to maintain the orientation of the cutting line relative to the first axis and of the second axis relative to the cutting line.