Trelleborg Ab

Trelleborg Tyre Aktiebolag

Carl-Gustav B Victor

Erik G Nordstrom

Erik G Nordstr Om

A vehicle drive includes pneumatic tires mounted on rims and includes a track which is engaged by and cooperates with the tires. Tire-supporting elements on the track position the tires on the track. Also, the tires, on at least the surfaces which come into contact with the tire-supporting elements, have an outer rubber layer which has a high wear resistance and low friction properties and in which 50-100% is butadiene rubber.

Pneumatic tires with cooperating track

Vehicle drive wheel with tire and track driven thereby

A vehicle wheel comprises a wheel rim and a pneumatic tire fitted to the rim, particularly a tubeless tire wherein the wheel rim includes seats for the tire beads. The rim seats include an elevated ridge which is spaced from the rim flanges and the tire beads have a generally corresponding configuration. With the tire fitted to the rim, the bead cores of the tire are located between the rim flanges and the elevated ridge. According to the invention, the rim is a 15.degree. rim with a 15.degree. seat surface between the rim flange and the elevated ridge. The side of the elevated ridge remote from the rim flanges extends at an angle of 15.degree.-40.degree. essentially in a straight line from the crown of the elevated ridge in a direction inwards towards the rim center. The invention also relates to a wheel rim having rim seats and elevated ridges of the same configuration.

Growing community of inventors

Hollviksnas, Sweden

Carl-Gustav B Victor