Wheel bearing apparatus for a vehicle

Details Wheel bearing apparatus for a vehicle Wheel bearing apparatus for a vehicle

2011-05-17

2011-05-17

Hannon, Thomas R (Department: 3656)

Bearings

Rotary bearing

Antifriction bearing

C301S035627

Reexamination Certificate

active

07942585

ABSTRACT:
A vehicle wheel bearing apparatus has an outer member, an inner member, and double row rolling elements freely rollably contained between the inner and outer raceway surfaces of the inner and outer members. A brake pilot portion extends from a base of a wheel hub mounting flange toward the outer side to guide an inner circumferential surface of a brake rotor. A wheel pilot portion extends from the brake pilot portion further toward the outer side to guide an inner circumferential surface of the wheel. The wheel pilot portion including a plurality of separated pilots separated along a circumferential direction. A chamfered portion is formed, by forging, on a forward end of each separated pilot in view of its lathe cutting direction. The chamfered portion has a predetermined inclined angle relative to an axial end surface of each separated pilot after lathe cutting.

REFERENCES:
patent: 2781231 (1957-02-01), Black
patent: 7393064 (2008-07-01), Hall et al.
patent: 2004/0017104 (2004-01-01), Fakhoury et al.
patent: 2005/0018939 (2005-01-01), Niwa et al.
patent: 1576061 (2005-02-01), None
patent: 1 500 524 (2005-01-01), None
patent: 2005-059830 (2005-03-01), None
patent: 2005-059831 (2005-03-01), None
patent: 2005-059832 (2005-03-01), None
patent: 2005-140192 (2005-06-01), None
patent: 2005-297925 (2005-10-01), None
patent: 2006-273246 (2006-10-01), None

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