Resilient tires and wheels – Tires – resilient – Wheel securing means
Patent
1987-07-17
1989-01-31
Marbert, James B.
Resilient tires and wheels
Tires, resilient
Wheel securing means
1523814, B60C 516, B60C 1502, B60B 2110
Patent
active
048009407
ABSTRACT:
A vehicle wheel rim is disclosed a pair of bead seats, and axially inwards of and adjacent to each bead seat a circumferentially extending tire toe engaging groove. There is a secondary bead retaining means between the bead seat and the groove comprising a hump having a height measured radially from the bead seat surface adjacent to the hump of 1 to 3.0 mm. The hump preferably has a steep surface on its axially outer edge. The resultant wheel still correctly seats a normal tire with the toe engaging the hump when the tire is deflated and correctly engages in a TD type of tire with the toe in the groove.
REFERENCES:
patent: 4351382 (1982-09-01), Corner et al.
Griffiths Phillip N.
Holmes Thomas
Marbert James B.
S P Tyres U K Limited
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