Apparatus for selectively varying the stiffness of a ski

Details Apparatus for selectively varying the stiffness of a ski Apparatus for selectively varying the stiffness of a ski

1994-06-03

1996-09-03

Focarino, Margaret A.

Land vehicles

Skates

Runner type

280613, 280634, A63C 9086

Patent

active

055517200

ABSTRACT:
A system for changing the stiffness of a ski having a boot sole with first and second movable portions, and a biasing device for urging the portions apart to add stiffness to the ski.

REFERENCES:
patent: 3689096 (1972-09-01), Ribi
patent: 3695623 (1972-10-01), Covini
patent: 3726534 (1973-04-01), Mochizuki
patent: 3834723 (1974-09-01), Erlebach
patent: 4036510 (1977-07-01), D'Alessio et al.
patent: 4098010 (1978-07-01), Rothmayer
patent: 4139211 (1979-02-01), Salomon

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