Grass ski roller boards
OwnerKazuo Osawainventor
Life of this patent
Estimating the term…
Abstract
A grass ski is designed to simulate a snow ski in skiing characteristics. The grass ski has an elongate foot board with forward, central and rear portions. The central portion is arched lengthwise in elevation. Suspended beneath the foot board are spaced pairs of rollers including at least one roller pair on the forward portion, at least three roller pairs on the central portion and at least one roller pair on the rear portion. Each roller has a profile which reduces in diameter towards the outside. Preferably, the left and right hand rollers in plain view are located on concave lines lengthwise of the footboard.
Claims2
A grass ski comprising an elongate footboard having a forward portion, a central portion and a rear portion, the central portion being arched lengthwise in elevational view, and a plurality of roller pairs interconnected with said extending beneath the footboard in spaced relation lengthwise of the footboard including at least one roller pair on the forward portion, at least three roller pairs on the central portion and at least one roller pair on the rear portion, each roller pair on the central portion comprising respective left and right hand rollers, and each roller having a diameter which reduces toward an outer end of the roller wherein the footboard is formed with upwardly extending bulges receiving the rollers on the front and rear portions.
A grass ski comprising an elongate footboard having a forward portion, a central portion and a rear portion, the central portion being arched lengthwise in elevational view, and a plurality of roller pairs interconnected with said extending beneath the footboard in spaced relation lengthwise of the footboard including at least one roller pair on the forward portion, at least three roller pairs on the central portion and at least one roller pair on the rear portion, each roller pair on the central portion comprising respective left and right hand rollers, and each roller having a diameter which reduces toward an outer end of the roller wherein the footboard has cut-outs on longitudinal edge portions thereof receiving the rollers on the front and rear portions.
Dependencies are inferred from the claim text.