Roller skating rink

Claim 1

A roller rink comprising a continuous generally figure 8-shaped track having a supporting foundation extending below grade level and including a pair of opposite return end sections each defining a semi-circular surface area, the semi-circular surface areas of said return end sections being disposed in a common horizontal plane, at least one of said return end sections having a generally semi-circular banked outer peripheral surface portion contiguous to the associated semicircular surface area of said one return end section, said outer peripheral surface portion having a generally particircular vertical cross sectional configuration, said outer peripheral surface portion being tangent to said common plane along the arcuate outer periphery of said associated semi-circular surface area, and curving radially outwardly and upwardly from said associated semi-circular surface area, said track having a pair of straight intermediate sections connecting said return end sections, one of said intermediate sections having its surface disposed generally within said common horizontal plane, the other intermediate section being disposed at least partially below grade level and passing under and crossing centrally of said one intermediate section, said other intermediate section having a first ramp surface downwardly inclined in a direction generally toward said one intermediate section and a second ramp surface upwardly inclined in a direction away from said one intermediate section.