Patent ID: 6322154
Filing Date: 2001-11-27
Classification: A63C

Abstract:
A wheel for use on ice comprising:a hub and outer ring:said hub being made of a lightweight material:said outer ring containing ice-engaging structures:said ice-engaging structures being made of a material that is substantially harder than ice:said ice-engaging structures comprising of a outer circumferential contact means, inner circumferential contact means and support surface:said outer circumferential contact means and inner circumferential means being arranged so that at least two contact means are in contact with the ice surface when the wheel is perpendicular to the ice and also when the wheel is at a predetermined angle from perpendicular to the ice:said support surface is directly adjacent to the outer circumferential contact means and the inner circumferential contact means:said support surface is parallel to a line intersecting the outer periferal edges of said adjacent outer circumferential contact means and the adjacent inner circumferential contact means.