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US 4,379,564 AGranted
Roller skate
OwnerJohn J. Welkerinventor
Life of this patent
Estimating the term…
Abstract
A roller skate having improved means for holding a shoe to a roller skate, the means including a flat plate member provided with a plurality of slots on opposed sides thereof for receiving a belt or strap therethrough wherein the belt or strap securely holds a shoe to the plate member.
Claims7
A roller skate comprising:
- a foot-plate member with a toe portion and a heel portion having at least two pairs of slots in said toe portion thereof, each pair of slots being aligned and on opposite sides of said member receiving a first adjustable belt therethrough, said member including means on said heel portion receiving a second adjustable belt therethrough;
- and, a first front pair of aligned spaced rollers rotatively mounted to a first axle of a first truck assembly including a support portion centrally disposed of said first axle and extending transversely from the underside of said toe portion of said member and a second rear pair of aligned spaced rollers rotatively mounted to a second axle of a second truck assembly, said second truck assembly including a support portion centrally disposed of said second axle and extending transversely from the underside of said heel portion of said member, spacing between rollers of said first pair of spaced rollers is less than the spacing between rollers of said second pair of rollers, the center of the tread of each of said rollers of said first pair of rollers being in substantially longitudinal alignment with the inside edge of each of said rollers of said second pair of rollers which are on the same side of said member, said first pair of rollers and said second pair of rollers being of substantially the same size and diameter whereby the first and second axles swing in use in opposite directions to enable steering of said roller skate by tilting of the foot plate member.
Dependencies are inferred from the claim text.