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US 2008/0174169 A1Published application
Rolling bearing apparatus for wheel
AssigneeJtekt Corporation
InventorNobuyuki Seo
Life of this patent
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Abstract
In a rolling bearing apparatus for a wheel including a fixing flange having a plurality of bolt holes through which male thread portions of bolts for fixing the bearing apparatus to a vehicle body side member are respectively passed, one side surface of the fixing flange includes bolt seat surfaces in a round shape which are formed by cutting work concentrically with respective centers of the bolt holes, each of the bolt seat surfaces having a larger diameter than a head portion of the bolt.
Claims2
A rolling bearing apparatus for a wheel comprising
- a fixing flange that includes a plurality of bolt holes through which male thread portions of bolts for fixing the bearing apparatus to a vehicle body side member are respectively passed,
- wherein one side surface of the fixing flange includes bolt seat surfaces in a round shape which are formed by cutting work concentrically with respective centers of the bolt holes, each of the bolt seat surfaces having a larger diameter than a head portion of the bolt.
Dependencies are inferred from the claim text.