Anti-tamper nut
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 30, 1990
Grant Date -
N/A
app pub date -
Oct 17, 1988
filing date -
Oct 17, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A locknut including an annular locknut body having a threaded inner surface and an outer surface, a locknut shroud rotatably mounted on the locknut body and having an inner surface facing the outer surface of the locknut body, an annular ridge on the outer surface of the locknut body defining a first shoulder, a second shoulder within the annular shroud, an O-ring mounted on an inclined surface of the locknut body and bearing against an inclined surface on the annular shroud to force the first and second shoulders into abutting engagement, an annular space between the inner surface of the annular shroud and the outer surface of the locknut body, and a plurality of lobes on the outer surface of the locknut body and located in the annular space for receiving a mating key.
First Claim
Other Claims data not available