Land vehicles – Skates – Runner type
Patent
1994-08-16
1995-11-07
Johnson, Brian L.
Land vehicles
Skates
Runner type
A63C 507
Patent
active
054642426
ABSTRACT:
An improvement to known ski shock-absorption devices is constituted by an elongate beam having an arched portion of a length (LC) between a forward contact line and a rear contact line, the central portion including a binding mounting zone. The ski includes two transmitters located in central portion and each on either side of the mounting zone. One of the ends of each transmitter is linked to the beam by a complete connection; the other end is connected by a partial connection, free in translation along a longitudinal direction, constituted of an elastic and/or visco-elastic element that resists the longitudinal displacement of the transmitter. Under bending stress, the displacement ratio (.DELTA.1) of partially connected end of front transmitter over the displacement (.DELTA.2) of the partially connected end of rear transmitter being comprised between 1.2 and 2.5; and the stiffness ratio (K1) of the elastic and/or viscous element of front transmitter over stiffness (K2) of the elastic and/or viscous element of rear transmitter being comprised between 1.2 and 5.
REFERENCES:
patent: 5332252 (1994-07-01), Le Masson et al.
Commier Philippe
Le Masson Jacques
Phelipon Axel
Johnson Brian L.
Salomon S.A.
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