Machine element or mechanism – Control lever and linkage systems – Multiple controlling elements for single controlled element
Reexamination Certificate
2004-01-09
2008-10-14
Fenstermacher, David M (Department: 3682)
Machine element or mechanism
Control lever and linkage systems
Multiple controlling elements for single controlled element
C074S490050, C074S490060
Reexamination Certificate
active
07434491
ABSTRACT:
A workpiece positioner assembly comprises a headstock apparatus that is configured to rotate a workpiece A headstock interface assembly is configured to secure the workpiece to the headstock apparatus and comprises a bearing configured to enable pitch, yaw and roll movement of the headstock interface assembly relative to the headstock apparatus. The workpiece positioner assembly further comprises a tailstock apparatus configured to support the workpiece in cooperation with the headstock apparatus. The tailstock apparatus comprises a tailstock interface assembly that is configured to secure the workpiece to the tailstock apparatus. The tailstock interface assembly further comprises a tailstock bearing configured to enable axial movement of the workpiece relative to the tailstock apparatus.
REFERENCES:
patent: 4541062 (1985-09-01), Kada et al.
patent: 4872619 (1989-10-01), Vaniglia
patent: 5914002 (1999-06-01), Cahuzac
patent: 6994324 (2006-02-01), Harvey et al.
K. N. Aronson, Inc., the new handbook of Positioneering, pp. 25-26, 2004.
Metz Donald J.
Slanker Daniel W.
Sutton, Jr. George H.
Dinsmore & Shohl LLP
Fenstermacher David M
Motoman Inc.
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