Cross-country ski for skating

Details Cross-country ski for skating Cross-country ski for skating

1991-01-22

1994-01-04

Focarino, Margaret A.

Land vehicles

Skates

Runner type

280609, A63C 507

Patent

active

052754286

ABSTRACT:
The cross-country ski according to the invention is characterized by a relatively regular curvature of the lower surface of the ski, i.e., a curvature such that the modules of variation of slope of the lower surface of the ski is less than 9.10.sup.4 cm.sup.-1 when the ski is at rest. Simultaneously, the front zone of the ski has a relatively high rigidity. Likewise, the rear zone can be relatively rigid. Preferably, the lateral surfaces of the ski are hollowed. Such a ski structure is particularly well adapted to obtain a good gripping of the edges, a good sliding on the edges, and a good sliding in direct tracks.

REFERENCES:
patent: 3398968 (1968-08-01), Mutzhas
patent: 4071264 (1978-01-01), Legrand et al.
patent: 4300786 (1981-11-01), Alley
patent: 4577886 (1986-03-01), Chernega
patent: 4652006 (1987-03-01), Desoutter
patent: 4740009 (1988-04-01), Hoelzl

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