Cross country ski

Details Cross country ski Cross country ski

1988-03-18

1990-04-24

Mitchell, David M.

Land vehicles

Skates

Runner type

280609, A63C 706

Patent

active

049194470

ABSTRACT:
A cross country ski having a bottom running surface with a plurality of grooves formed thereon. Each groove has a central portion extending transversely to the length of the ski and two lateral portions slanting rearwardly and outwardly from the forward portion. Each groove has a surface slanting toward a flat portion coincident with the running surface, in a manner that at any transverse location on the bottom of the ski a portion of the bottom surface is in contact with the surface of the snow.

REFERENCES:
patent: 2752103 (1979-05-01), Auer
patent: 2914335 (1959-11-01), Rivard
patent: 3874315 (1975-04-01), Wright
patent: 4027895 (1977-06-01), Larsson
patent: 4118050 (1978-10-01), Schnurrenberger
patent: 4223909 (1980-09-01), Danner et al.
patent: 4280715 (1981-07-01), Freelander et al.
patent: 4320908 (1982-03-01), Ellingsen et al.
patent: 4323265 (1982-04-01), Benner
patent: 4353573 (1982-10-01), Morgan
patent: 4406478 (1983-09-01), Stoufer

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