A - Human Necessities – 63 – C
Patent
A - Human Necessities
63
C
A63C 11/22 (2006.01)
Patent
CA 2153386
The invention relates to a pole shaft for a cross- country ski pole. Longitudinal and transverse fiber layers are used for providing a hollow shaft, whose cross section changes progressively downwards into a droplet shape and, below the mid-way point of a shaft, the length of a droplet shape in relation to its width increases while the cross-sectional area diminishes. By virtue of the droplet shape, the pole can be given more rigidity in skiing direction, whereby the bottom end of a pole can be made lighter while improving the aerodynamics of a pole.
Jaatinen Pauli
Manninen Taisto
Ripatti Markku
Exel Oy
Sim & Mcburney
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