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:
May. 28, 1996
Filed:
Nov. 14, 1994
Eugene A Swain, Webster, NY (US);
Geoffrey M Foley, Fairport, NY (US);
Xerox Corporation, Stamford, CT (US);
Abstract
There is disclosed a chuck assembly for engaging the inner surface of a hollow substrate comprising: (a) a fluid impermeable elastic membrane including a substrate engaging portion, wherein the inner surface of the membrane defines an interior space; and (b) a plurality of radially movable members at least partially disposed in the interior space, wherein the membrane is dimensioned to provide a radially inward force on the members, wherein the members in a radially expanded position push the substrate engaging portion of the membrane against the substrate inner surface, and wherein the peripheral dimension of the elastic membrane decreases when the members are in a radially contracted position.