Toothed part with a shaft and molding method for the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 10, 2004
Grant Date -
Oct 4, 2001
app pub date -
Mar 27, 2001
filing date -
Mar 30, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for producing a unitary toothed part with a shaft and the resulting products. In the process, a blank is formed. The blank includes a shaft part and a flange part. The flange part having a thicker outer diameter and a thinner inner diameter. The outer diameter is formed into a tubular part by drawing. A plurality of teeth and remnants are formed by extruding the tubular part. At least one spline is formed by extruding the shaft part. Through the steps of forming, drawing, and extruding, a blank is made into a unitary part having teeth and a shaft thus increasing precision, rigidity, durability, and reducing forming costs.
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