Lock nut
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United States of America Patent
Stats
-
May 10, 2011
Grant Date -
Jan 15, 2009
app pub date -
Apr 14, 2008
filing date -
Jul 9, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A special shape inner peripheral surface connected to a base end side of a female thread and set to be rotatable only by a first special purpose tool is formed in a nut main body. A cap is constituted by a shaft portion which is inserted to the special shape inner peripheral surface of the nut main body and having a male thread threaded with a base end portion of the female thread of the nut main body in a leading end side, and a head portion provided in abase end side of the shaft portion.
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