Vibration damper for ski

Details Vibration damper for ski Vibration damper for ski

1989-03-23

1991-02-26

Marmor, Charles A.

Land vehicles

Skates

Runner type

188268, 188379, 248634, 267141, A63C 5075

Patent

active

049956302

ABSTRACT:
A vibration damper is used in combination with a ski having an upper surface, a turned up front end, a rear end, and a central ski binding on the upper surface. The damper is between 5 cm and 20 cm long and comprises a viscoelastic sheet flatly engaging the upper surface immediately behind the front end, immediately ahead of the rear end, or immediately ahead of the ski binding and a damper plate with a high modulus of elasticity overlying the viscoelastic sheet. The plate is secured atop the sheet on the upper ski surface. The damper is between 10% and 20% of the length of the ski from the rear end of the ski, between 65% and 75% of the length of the ski from the rear end, and/or between 85% and 97% of the length of the ski from the rear end. A 2 m ski normally has a distance of 180 cm between the rear end of the ski and the start of the front upturned end of the ski.

REFERENCES:
patent: 3537717 (1970-11-01), Caldwell
patent: 3901522 (1975-08-01), Boehm
patent: 4405149 (1983-09-01), Piegay
patent: 4438946 (1984-03-01), Piegay
patent: 4563020 (1986-01-01), Arieh et al.
patent: 4627635 (1986-12-01), Koleda
patent: 4865345 (1989-09-01), Piegay

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