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Hollow core in-line skate wheel having contour conforming polyurethane wall

  • US 5,908,519 A
  • Filed: 07/12/1996
  • Issued: 06/01/1999
  • Est. Priority Date: 12/12/1994
  • Status: Expired due to Fees
First Claim
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1. A polyurethane in-line skate wheel comprising:

  • a hard polyurethane hub formed with an axial bore and radially outwardly facing hub wall;

    a soft polyurethane tire molded against the outwardly facing hub wall, bonded thereto and configured to define an arch shaped cushion having a rounded in transverse cross section radially outer peripheral tread wall;

    an annular polyurethane bladder molded in said tire body, about such hub wall, concentric about said axial bore to provide a cavity and having a radially interior annular stand off skirt projecting radially inwardly to contact said hub and cooperate in supporting said bladder during molding of said body; and

    said hub including radial centering fins constructed to maintain said bladder axially centered relative to said hub wall.

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