Dust cover
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United States of America Patent
Stats
-
Feb 9, 2021
Grant Date -
Jul 25, 2019
app pub date -
Sep 14, 2017
filing date -
Sep 21, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dust cover is provided that is attached to a ball joint in which a spherical portion in a stud having the spherical portion and a shaft is accommodated in a socket and a knuckle is fastened into the shaft and is provided with a large diameter opening fixed to the outer peripheral surface of the socket, a small diameter opening attached to the shaft part of the stud, and a film portion connecting the large diameter opening and the small diameter opening. The small diameter opening is provided with a seal portion in close contact with the outer peripheral surface of the shaft and a contact portion in close contact with the knuckle. In the contact portion, a foreign matter discharge groove discharging external foreign matter which tends to accumulate on the small diameter opening to the outside are formed.
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