Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1974-03-13
1976-11-23
Hoffman, Drayton E.
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
152310, 152330RF, 152346, B60C 506
Patent
active
039931145
ABSTRACT:
This invention relates to pneumatic tires and more particularly to a so-called safety tire comprising a carcass having a tube accommodated therein and spaced from the carcass to form inner and outer air chambers. A loose, circumferentially extending, puncture-resistant band is positioned substantially in the mid-circumferential plane of the tire between the underside of the tire tread and the tube. A further feature of the invention is the provision of means which produces an audible signal should the outer chamber become deflated. Another feature of the invention is the provision of means which, in use, limit radial and/or axial expansion of the tube should the outer chamber become deflated. A final feature is the provision of means which inhibit or prevent removal of the bead portions of the tire. from their respective seats upon deflation of the tire.
REFERENCES:
patent: 616516 (1898-12-01), Wilson
patent: 640851 (1900-01-01), Ancora
patent: 642838 (1900-02-01), Cochrane
patent: 1131500 (1915-03-01), Ferry
patent: 1279694 (1918-09-01), Hofmeister
patent: 1440553 (1923-01-01), Privett
patent: 1460794 (1923-07-01), Grube
patent: 1589470 (1926-06-01), Hood
patent: 1774892 (1930-09-01), Kline
patent: 1875102 (1932-08-01), Morse
patent: 2237245 (1941-04-01), Wilson et al.
patent: 2740448 (1956-04-01), Richardson
patent: 3025902 (1962-03-01), Sanderson
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