Work holders – Holder mounted for movement
Reexamination Certificate
2005-06-13
2009-12-29
Wilson, Lee D (Department: 3727)
Work holders
Holder mounted for movement
C269S2890MR
Reexamination Certificate
active
07637487
ABSTRACT:
Provided is an XY guide table in which rigidity of portions thereof where ball rolling surfaces are formed is enhanced to thereby eliminate clearances between balls and ball rolling grooves making it possible to guide an upper plate in an X-direction and Y-direction with respect to a lower plate without involving any rattling, and which can be formed in a very thin shape. The XY guide table includes the lower plate, an intermediate plate, and the upper plate assembled with each other through intermediation of the balls. Each of the lower plate and the upper plate has a pair of rail bodies of a substantially rectangular sectional configuration and a storage groove sandwiched between the rail bodies, and is formed in a substantially channel-shaped configuration. The plates are stacked together, with the storage grooves being opposed and orthogonal to each other.
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THK Co. Ltd.
Westerman, Hattori, Daniels & Adrian , LLP.
Wilson Lee D
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