Hub-bearing assembly allowing pressurized air to be supplied...

Details Hub-bearing assembly allowing pressurized air to be supplied... Hub-bearing assembly allowing pressurized air to be supplied...

2006-06-28

2009-02-10

Bellinger, Jason R (Department: 3617)

Land vehicles: wheels and axles

Wheel

Hub

C152S415000

Reexamination Certificate

active

07488046

ABSTRACT:
A hub-bearing unit (10) has a rotatable outer race (30) fixable to a wheel and an inner stationary hub (20) forming a passage (27) for pressurized air coming from a source of pressurized air mounted onboard of a vehicle. Tightly fitted on the axially outer side of the unit (10) is a cylindrical cover (50) defining with the unit (10) an airtight chamber (51) communicating with the passage (27). The cover (50) has a through bore (55) for establishing air communication between the chamber (51) and a tube (A, B) for conveying pressurized air to the tire. The cover has an outer wall (52) with a cylindrical portion (52b) axially protruding beyond the hub-bearing unit (10) so as to provide a cylindrical surface for centering the wheel of the vehicle.

REFERENCES:
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patent: 2002/0139463 (2002-10-01), Cobb
patent: 2004/0169415 (2004-09-01), Kapaan et al.
patent: 0 362 921 (1990-04-01), None

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