WORKPIECE CARRIER WITH SEGMENTED AND FLOATING RETAINING ELEMENTS

摘要

An improved workpiece carrier assembly (100) includes a workpiece retaining assembly (122) having a plurality of distinct retaining elements (202) rather than a one-piece retaining ring. In accordance with one embodiment, a plurality of retaining segments (202) reside within a like plurality of channels. The retaining segments (202) 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.