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. 27, 2004
Filed:
Jul. 26, 2002
Arthur S. Daniels, Rockaway, NJ (US);
James Pham, Randolph, NJ (US);
Ernest L. Baker, Wantage, NJ (US);
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Abstract
A machinable datum for use in a vacuum fixture is disclosed. The vacuum fixture comprises: a cylindrical stationary mandrel portion having a central cavity therethrough, and comprising: a first end mountable to a machine tool, such as a lathe; a second end terminating in a contact datum intended for contact with a workpiece; and, vacuum means capable of introducing a vacuum into a space between said contact datum and said workpiece; a cylindrical plunger portion residing within said central cavity of said cylindrical stationary mandrel portion, said cylindrical plunger portion comprising: a first end approximately coextensive with said first end of said stationary mandrel portion, comprising a biasing spring; a plunger comprising a cylindrical plunger residing within said central cavity of said cylindrical stationary mandrel portion, and biased away from said first end of said stationary mandrel portion by said biasing spring; and, a second end terminating in a contact datum intended for contact with a workpiece; and wherein at least one of said contact datums are comprised of an easily machinable material which can be shaped to facilitate contact with a workpiece.