Resilient tires and wheels – Tires – resilient – Inflating devices
Patent
1991-03-15
1993-04-20
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Inflating devices
152415, B60C 2300
Patent
active
052033910
ABSTRACT:
A mounting for a wheel having a pneumatic tire includes a hub to which the wheel is attached, a spindle about which the hub and wheel rotate, and a pair of indirectly mounted tapered roller bearings between the spindle and hub. The end of the hub is closed by a seal carrier which is attached to the hub and an end cover which is attached to the carrier. The end cover forms one end of a sealed chamber that is at the end of the spindle. The opposite end of the chamber is closed by a seal which is carried by the seal carrier beyond the two tapered roller bearings. The seal has an elastomeric seal element which bears against a sealing surface that is, in effect, carried by the spindle. One passageway extends from a location on the spindle that is remote from the bearing, along the spindle to the chamber at the end of the spindle. Another passageway extends from the exterior of the hub through the end ring to the chamber. The former is connected to a source of pressurized air, whereas the latter is connected to the interior of the pneumatic tire. Thus, the mounting permits the transfer air to or from the tire while the wheel rotates.
REFERENCES:
patent: 2976906 (1961-03-01), Kamm et al.
patent: 4431043 (1984-02-01), Goodell et al.
patent: 4498709 (1985-02-01), Wells et al.
patent: 4582107 (1986-04-01), Scully
patent: 4730656 (1988-03-01), Goodell et al.
patent: 4733707 (1988-03-01), Goodell et al.
patent: 4883106 (1989-11-01), Schultz et al.
Ball Michael W.
Lorin Francis J.
The Timken Company
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