Land vehicles – Skates – Runner type
Patent
1991-12-27
1994-08-30
Focarino, Margaret A.
Land vehicles
Skates
Runner type
280607, 280618, A63C 507
Patent
active
053420780
ABSTRACT:
A system for changing the stiffness of a ski includes a set of finger members movable longitudinally as the ski bends, and a cam disc having peripheral members for engaging the finger members to increase the stiffness of the ski as the ski bends.
REFERENCES:
patent: 2258046 (1941-10-01), Clement
patent: 3260531 (1966-07-01), Heuvel
patent: 3260532 (1966-07-01), Heuvel
patent: 3398968 (1968-08-01), Mutzhas
patent: 3937481 (1976-02-01), Koleda
patent: 4577886 (1986-03-01), Chernega
patent: 4903979 (1990-02-01), Dimier
patent: 4974867 (1990-12-01), Rullier et al.
Schuhbauer Johannes
Stepanek Premek
Wagner Ludwig
Focarino Margaret A.
Hochberg D. Peter
Jaffe Michael
Kusner Mark
Mar Michael
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