US2000000 Patents
JosephNVENTOR LedwinkA. BY a%az, ATToRNEY UNITED STATES PATENT OFFICE 2,000,000 Joseph Ledwinka, Philadelphia, Pa., assignor to Edward G. Budd Manufacturing Company, Philadelphia, Pa., a corporation of Pennsyl Application May 12, 1932, Serial No. 610,60 Renewed September 10, 1934 3 Claims. (C. 295-34) The invention relates to vehicle wheels having The radially outer wall 20 of the tire is Sub pneumatic tires, and more particularly to pneu stantially cylindrical and in concentric spaced matic tired wheels for railway vehicles such as relationship to the radially inner wall 2, and the rail cars.
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