Safety wheel

  • US 4,177,849 A
  • Filed: 07/06/1978
  • Issued: 12/11/1979
  • Est. Priority Date: 07/07/1977
  • Status: Expired due to Term
First Claim
Patent Images

1. A safety wheel for vehicle use of the type including a split rim (R) comprised of at least two rim sections arranged axially adjacent to each other, a tubeless tire (T) mounted on said split rim, and a flat protector (Fp) arranged in the air chamber defined in said tubeless tire by said split rim for bearing engagement with the tread portion of said tubeless tire when the air sealed in the latter is lost, said flat protector being fitted around the inner periphery thereof to the rim base portion of said split rim and supported at the opposite sides by the respective bead portions of said tubeless tire, said safety wheel being characterized in that said flat protector takes the form of an annular elastic member of substantially H-shaped radial cross section having an annular recess (17) formed in the middle of the outer peripheral surface thereof, including a pair of spaced opposite annular side wall portions (14, 15) and an annular bridging wall portion (16) which extends between those sections of said opposite side wall portions lying slightly radially inside of the outer peripheral surfaces thereof to integrally interconnect said opposite side wall portions.

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