Guide Rail Having Base Rail And Gear Rack, Method Of Making Same, Guide Assembly Including Same
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United States of America Patent
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N/A
Issued Date -
May 27, 2010
app pub date -
Nov 24, 2009
filing date -
Nov 25, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A guide rail is provided. The guide rail includes a base rail and a gear rack mounted to the base rail. The guide rail also provides at least one race upon which a guide roller can ride. The guide rail defines a reference point related to the raceway that has a parallelism relative to the gear rack of less than or equal to 0.005 inches per foot along the length of the guide rail. Preferably, the reference point is defined directly by the raceway and the parallelism is less than or equal to 0.001 inches per foot. A method of forming the guide rail is also provided. The method includes machining the reference point into the guide rail and using the reference point to locate machining a seat for mounting the gear rack. A guide assembly including a guide rail and a carriage or frame structure is also provided.
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