Rack gear and method of making same

Details Rack gear and method of making same Rack gear and method of making same

2007-04-24

2007-04-24

Fenstermacher, David M. (Department: 3682)

Machine element or mechanism

Gearing

Follow-up mechanism

C074S422000, C029S893340, C029S893370

Reexamination Certificate

active

10485795

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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