Safety wheel

  • US 4,159,730 A
  • Filed: 07/07/1977
  • Issued: 07/03/1979
  • Est. Priority Date: 07/17/1976
  • Status: Expired due to Term
First Claim
Patent Images

1. A safety wheel comprising a circumferentially divided rim having a pair of spaced opposite flanges, a tubeless tire mounted on said divided rim about the periphery thereof, and an annular bead lock fitted in said tire to grip the bead portions thereof in co-operation with said flanges of said divided rim thereby to hold the bead portions against axial displacement relative to said divided rim, said bead lock comprising an endless train of rigid lock elements and flexible joint means flexibly connecting the rigid lock elements for movement between a fully expanded circular configuration and a retracted configuration and wherein in the expanded fully configuration the lock elements fit over the periphery of the medial portion of said divided rim and in the retracted configuration the lock elements lie in the plane of said tire within the inner peripheral circle thereof.

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