Patent Number: 6,241,228

Title: Free-floating hydraulic clamping device using expandable arbor

Abstract: The present invention provides a workholder for securing a work piece byengaging at least one bore contained in the work piece. The workholderincludes a support platform, bore clamping device, and a locator assembly.The bore clamping device is mounted to the support platform and has acylindrical, expandable arbor extending upwardly from the support platformfor positioning in and engaging the bore.

Inventors: Chupick; Charles (Troy, MI)


International Classification: B23Q 3/00 (20060101); B23Q 3/14 (20060101); B23Q 1/00 (20060101); B23Q 003/14 ()

Expiration Date: 06/05/2013