Light weight ballet skis and method of manufacture

Details Light weight ballet skis and method of manufacture Light weight ballet skis and method of manufacture

1995-09-22

1997-11-18

Johnson, Brian L.

Land vehicles

Skates

Runner type

280610, 280608, A63C 5025, A63C 504

Patent

active

056879830

ABSTRACT:
A ski is provided with an internal support structure configured to ensure adequate strength for the ski. The internal support structure is formed to define at least one internal cavity. An outer shell surrounds the internal cavity and the internal support structure and defines the exterior of the ski. The internal support structure may be formed from opposed halves assembled to one another. The internal support structure may include a plurality of outwardly extending positioning legs formed unitarily therewith for positioning the internal support structure within an injection mold cavity. The ski may further be provided with metal edges snapped into grooves formed on portions of the bottom surface adjacent the sides.

REFERENCES:
patent: D339398 (1993-09-01), Gauer
patent: 3372943 (1968-03-01), Grossauer
patent: 3498626 (1970-03-01), Sullivan
patent: 3635482 (1972-01-01), Holman
patent: 3704023 (1972-11-01), Downs
patent: 4705291 (1987-11-01), Gauer
patent: 5299822 (1994-04-01), Mayr et al.
patent: 5496053 (1996-03-01), Abondance

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