Short ski-like sports device

Land vehicles – Skates – Runner type

Patent

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Details

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.

REFERENCES:
patent: D224424 (1972-07-01), Schell
patent: D227688 (1973-07-01), Chase
patent: 3655211 (1972-04-01), Bollettieri et al.
patent: 3724866 (1973-04-01), Kaplan
patent: 3854739 (1974-12-01), Toda et al.
patent: 4343485 (1982-08-01), Johnston et al.
patent: 4652006 (1987-03-01), Desoutter
patent: 4705291 (1987-11-01), Gauer
patent: 4861063 (1989-08-01), Abondance
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.

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