Roller skate with maneuverability adjustments

Claim 1

A roller skate adapted to be mounted against the bottom of a shoe, comprising an elongated roller carrier in the form of an open bottom casing defining a pair of laterally spaced-apart upright longitudinal sides, a pair of lateral members extending along the sides of said roller carrier and having upper horizontal flanges provided with transverse slots, means extending through said transverse slots and into the bottom of a shoe to secure said lateral members to said shoe while allowing lateral adjustment of the same with respect to said shoe, said lateral members including vertically extending portions applied against the opposite sides of said elongated roller carrier having longitudinally extending slots, bolt means projecting through said longitudinally extending slots and arranged to adjustably position and secure the roller carrier to said lateral members, an odd number of rollers rotatably carried by the elongated roller carrier and extending between the sides of the latter, one of said rollers being a middle roller, means to adjustably set said middle roller up and down relative to the other rollers, said means including an excentric bushing on which said middle roller is rotatable, said excentric bushing mounted between the sides of said roller carrier and a bolt extending through holes of the sides of said roller carrier and through said central bushing and supporting said bushing and roller and tightening the sides of said roller carrier against said bushing to prevent rotation of the latter.