Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 24, 2007
Patent Application Number
10485795
Date Filed
August 6, 2002
Patent Primary Examiner
Patent abstract
A rack (20) for a rack and pinion steering system (10) includes a fully dense powder metal rack tooth section (50) joined, by sintering, to a hollow rack tube (30). The rack tooth section (50) is formed by pressing powder metal (70) into a die assembly (60) having internal rack tooth forms (68). The rack tube (30) and the pressed powder metal (70) are sintered to complete formation of the rack (20).
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