Sughrue, Rothwell, Mion, Zinn & Macpeak
Pneumatic tired wheel
 A pneumatic tired wheel having excellent highspeed performance after puncture comprises a tubeless tire, a bead stopper and a rim. The tubeless tire comprises a pair of elastic reinforcements having a Shore A hardness of at least 47, the bead stopper comprises an independent air-tight chamber and a crown portion with at least one inextensible reinforcing layer. The crown portion has an outer diameter determined in connection with the outer diameters of the flange of the rim and the tread portion of the tire. 
Bridgestone Tire Company, Ltd.
B Y B B B
B60C Y10T B60B B60C B60C
inventional additional inventional inventional inventional
Akio Akira Iwao Yasuo
Sato Matsuda Arimura Suzuki