Patent · US Expired

Workpiece carrier with segmented and floating retaining elements

US6290584A · kind A · utility

30Cited by
11References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 1999
Grant dateSep 18, 2001
Priority date
Expiry dateAug 13, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB24B53/017
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An improved workpiece carrier assembly includes a workpiece retaining assembly having a plurality of distinct retaining elements rather than a one-piece retaining ring. In accordance with one embodiment, a plurality of retaining segments reside within a like plurality of channels. The retaining segments may be individually or collectively controlled by a pressurized fluid system. In accordance with an alternate embodiment, a plurality of retaining pins reside within a like plurality of guide sleeves. The retaining pins may be individually or collectively controlled by a pressurized fluid system.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.