B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
301/98, 152/71.2
B60C 5/16 (2006.01) B60B 21/10 (2006.01) B60C 15/02 (2006.01) B60C 15/024 (2006.01)
Patent
CA 1146995
ABSTRACT IMPROVEMENTS IN OR RELATING TO TYRE AND WHEEL RIM ASSEMBLIES A tyre and wheel rim assembly having improved bead retention characteristics when run deflated. One or both bead seats is substantially straight and provided with an abutment respectively which is substantially continuous in the circumferential direction. Each abutment has a maximum radial dimension less than the minimum diameter of the inextensible tyre bead reinforcement to allow fitment of the tyre to a one-piece rim having a tyre fitting well by conventional techniques. The taper of the bead seats is selected to enable abutments to be provided which have sufficient radial dimension or height relative to the adjacent bead seat such that under the action of road generated forces rotation of the tyre beads about the adjacent abutment is effected to retain the tyre beads at the bead seats.
366195
Corner Michael R.
French Tom
Kemp Ian
Btr Industries Limited
Fetherstonhaugh & Co.
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