Key-engaging part structure
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United States of America Patent
Stats
-
Jul 3, 2007
Grant Date -
Oct 17, 2002
app pub date -
Apr 4, 2002
filing date -
Apr 4, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A key-engaging part structure which realizes an efficient formation of a key-engaging part in an axial-hole member is provided. A key-engaging through hole is formed in a key-engaging part of an axial-hole member while both and portions of the axial-hole member leave intact such that the key-engaging through hole is bored through the axial-hole member in the radial direction. The key-engaging part is formed using this through hole.
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