Ball linear guide and manufacturing method thereof
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United States of America Patent
Stats
-
Jun 12, 2007
Grant Date -
May 6, 2004
app pub date -
Oct 20, 2003
filing date -
Oct 22, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A metallic flat plate base of a metallic component of a ball linear guide includes a pair of plate portions integrally connected with each other through a first flat plate portion and being formed with dovetail grooves which constitute loaded ball grooves. A first synthetic resin component is disposed so as to cover the flat plate, the first synthetic resin component having one sides which connect to a third flat plate portion to form slits, also having a pair of unloaded ball holes, and further having grooves for forming direction changing U-shaped passages which connect the loaded ball grooves and the unloaded ball holes. A pair of second synthetic resin components is mounted on the first synthetic resin component and closes the unloaded ball holes and the direction changing U-shaped passages, the pair of second synthetic resin components having other sides for forming the slits.
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