Land vehicles – Skates – Runner type
Patent
1991-06-03
1992-04-14
Kashnikow, Andres
Land vehicles
Skates
Runner type
280608, A63C 504
Patent
active
051041405
ABSTRACT:
This invention provides a set of downhill snow skis having frontwardly converging internal edges and grooves formed in the running surfaces thereof. In particular, at least one groove is formed in each of the running surfaces, extending from a point proximate the outer rear portion of each ski to a point proximate the inner front portion of each ski. The frontwardly converging grooves make it easier to learn how to downhill ski and thus, facilitate downhill skiing lessons for beginning skiers. The present invention also provides a set of cross-country snow skis having rearwardly converging internal edges and grooves formed in the running surfaces thereof. In particular, at least one groove is formed in each of the running surfaces, extending from a point proximate the inner rear portion of each ski to a point proximate the outer front portion of each ski. The rearwardly converging grooves make it easier to perform certain cross-country skiing maneuvers and thus, facilitate cross-country skiing lessons for beginning skiers.
REFERENCES:
patent: 3918114 (1975-11-01), Schmitt
patent: 4175766 (1979-11-01), Barwin
patent: 4262925 (1981-04-01), Plenk
patent: 4305603 (1981-12-01), Muller et al.
patent: 4509771 (1985-04-01), Nussbaumer
Anderson Research Laboratory
Camby Richard
Kashnikow Andres
LandOfFree
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