Resilient tires and wheels – Tires – resilient – Cushion and pneumatic combined
Patent
1994-07-14
1996-03-19
Knable, Geoffrey L.
Resilient tires and wheels
Tires, resilient
Cushion and pneumatic combined
152165, 152325, 152327, 152453, B60C 302
Patent
active
054996694
ABSTRACT:
A semi-pneumatic tire having a radially inner wall, first and second side walls, a radially outer wall coupled between the side walls, and a pair of rib members extending radially inwardly from outer wall for generally rigidifying said outer wall under operating loads. The side walls include a radially outer portion and a radially inner portion, the inner portion being thicker and more rigid than the outer portion such that the radially outer wall abuts against the inner portion of the side walls when the outer wall shifts radially inwardly under operating loads.
REFERENCES:
patent: 1170225 (1916-02-01), Dillmore
patent: 1461766 (1923-07-01), Wiegand
patent: 2246117 (1941-06-01), Wallace
patent: 2713373 (1955-07-01), Daugherty
patent: 3208500 (1965-09-01), Knipp
patent: 3538971 (1970-11-01), Stewart
patent: 3791432 (1974-02-01), Calullerovich
patent: 4467852 (1984-08-01), Ippen et al.
The Pulaski Rubber Company, brochure entitled "Pulaski Rubber Crown Lip", 1 page, published in the U.S.A.
The Pulaski Rubber Company, brochure entitled "Pulaski Rubber Builds Semi-Pneumatic Tires for Years of Tough Farm Service", 8 pages, date unknown, published in the U.S.A.
Deere & Company
Knable Geoffrey L.
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