Abrading – Precision device or process - or with condition responsive... – With feeding of tool or work holder
Reexamination Certificate
2006-10-03
2006-10-03
Rose, Robert A. (Department: 3723)
Abrading
Precision device or process - or with condition responsive...
With feeding of tool or work holder
C451S391000, C451S364000
Reexamination Certificate
active
07115020
ABSTRACT:
A lapping system for eliminating crowning in a surface to be lapped includes a first lapping carrier adapted to carry a first workpiece and a second lapping carrier adapted to carry a second workpiece. A stabilizer assembly interconnects the first and second lapping carriers in a mutually stabilizing arrangement that stabilizes the first and second workpieces against rotation. The stabilizer assembly includes first and second stabilizer arms extending between the first lapping carrier and the second lapping carrier. Each lapping carrier and an associated stabilizer arm collectively defines a fixture having a carrier portion and a stabilizer portion, and which may be generally T-shaped. One end of each stabilizer arm is cantilevered from its associated lapping carrier, while the free end of each stabilizer arm is pivotally mounted to the opposite lapping carrier. Downward lapping forces are applied independently to each lapping carrier. In an alternative embodiment, the stabilizer arm extending from the lapping carrier is mounted to an anchor that is not another lapping carrier.
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Duft Walter W.
International Business Machines - Corporation
Rose Robert A.
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