Resilient tires and wheels – Tires – resilient – Cushion
Patent
1983-07-01
1984-09-18
Powell, William A.
Resilient tires and wheels
Tires, resilient
Cushion
138115, 152400, 2642093, 428 36, B60C 700
Patent
active
044718276
ABSTRACT:
A non-pneumatic insert tube for a tire adapted to be mounted upon a circular rim. The insert tube is an elongated resilient plastic cylinder having a thin wall defining a continuous bore which extends throughout the entire tube length. A sequence of spaced partial cuts extends through the thin wall of the tube with the sequence of partial cuts being symmetrically centered about the outer periphery of the tube when formed into a single coil hoop for insertion into a tire and with an uncut portion of the tube being symmetrically centered about the inner periphery of the tube which is to be seated adjacent the rim. In certain species a reinforcing web, having a single web or a web of two or more intersecting cross legs, is disposed within and extends across the bore of the tube from sidewall to sidewall and is integrally joined to the opposite sidewalls. The single web and all cross legs are usually placed in tension in response to vertically applied loads. One or more cross legs are placed in tension in response to angularly applied forces which would otherwise tend to distort unacceptably the insert tube into a generally inclined elliptical cross section.
REFERENCES:
patent: 862785 (1907-08-01), Andrew
patent: 918846 (1909-04-01), Gostlin et al.
patent: 1052422 (1913-02-01), Miller
patent: 1390467 (1921-09-01), Smith
patent: 1506411 (1924-08-01), Cowgill
patent: 1819632 (1931-08-01), Young
patent: 1825502 (1931-09-01), De A Braga
patent: 4007538 (1977-02-01), Petrie
patent: 4275782 (1981-06-01), McFarlane
patent: 4371023 (1983-02-01), Campagna
Bokan Thomas
Douvas A. G.
Powell William A.
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