Patent ID: 9669661
Date: 2017-06-06
CPC Classifications: B60C,Y10T

Claim:
1. A tire assembly for a bicycle rim, comprising: a wheel tire with a tread surface and two tire beads which in a mounted condition respectively bear on interior sides of rim edges; an inner tire which in a mounted condition is disposed within the wheel tire; a tube which in a mounted condition is disposed within the inner tire; a valve arrangement for filling with different fluid pressures, on the one hand, the tube and, on the other hand, an intermediate space defined by a rim and the wheel tire; wherein the inner tire in a filled and the mounted condition bears on the tire beads of the wheel tire and presses the tire beads against the rim; wherein an insert part is provided which in a mounted condition forms an air duct from the valve arrangement to the intermediate space, the insert part being disposed between the tube and the rim, between the inner tire and the rim, between the tube and the inner tire, and/or between the inner tire and the wheel tire, the insert part comprising a brace including a pair of substantially opposed portions disposed to engage a section of the tube or the inner tire therebetween, and a valve hole extending through the brace substantially centrally of the brace between the opposed portions.