Land vehicles – Skates – Runner type
Patent
1995-02-08
1997-04-08
Johnson, Brian L.
Land vehicles
Skates
Runner type
D21229, A63C 503, A63C 5048, A63C 5052
Patent
active
056180535
ABSTRACT:
A short ski is a board-like member having middle and front sections with the rear and front sections turned upwardly. The ski sole is plastic and the maximum ski length is between 63 to 80 cm and preferably between 70 to 75 cm. The middle section has a minimum width. The front section has the maximum width and the rear section is between the minimum width (B) of the middle section and the maximum width of the front section. The ratio of the minimum width with the middle section to the length is between 0.12 and 0.23, preferably between 0.13 and 0.16. The lateral delimitation of the middle section has the width reduction by two radii (R1, R2) such that radius (R2) of the lateral delimitation adjacent the rear section (10) is about 480 to 500 cm, of the lateral delimitation adjacent the front section is about 250 to 270 cm. The middle section is upwardly curved at a maximum distance from the flat ground (17) of 1.5 mm to 6.0 mm. The rear section in plan view is semicircular, with a radius (R5) of about 5.0 cm to 7.0 cm. The front section has an upturned shovel-like front end, with an outer wavy front edge and at least one cut extending longitudinally of the ski.
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patent: 3655211 (1972-04-01), Bollettieri et al.
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patent: 4905338 (1990-03-01), Mascia
patent: 4995631 (1991-02-01), Hunter
patent: 5018760 (1991-05-01), Remondet
patent: 5096217 (1992-03-01), Hunter
Prospect Winterfun of Plast & Form AS., 1975.
Moelg Harald
Wagner Wolfgang
Johnson Brian L.
Kneissl Dachstein Sportartikel AG
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