Ski vibration damper

Details Ski vibration damper Ski vibration damper

1983-06-10

1986-01-07

Bertsch, Richard A.

Land vehicles

Skates

Runner type

188378, A63C 507

Patent

active

045630208

ABSTRACT:
A ski damper which can be inserted into a hole formed in the ski blade comprises a pair of housing portions which can be joined together from opposite sides of the blade to define a receptacle in which a disk is shiftable between a pair of foam rings. The disk is composed of a material having a specific gravity greater than 10 and has a thickness/diameter ratio between 1/3 and 1/30 and damps primarily vibrations in the frequency range between 100 and 200 Hz.

REFERENCES:
patent: 3113640 (1963-12-01), Stedman
patent: 3537717 (1970-11-01), Caldwell
patent: 3774730 (1973-11-01), Maddux
patent: 4018454 (1977-04-01), Burkart
patent: 4050665 (1977-09-01), Matthews et al.
patent: 4203596 (1980-05-01), Nagamoto
patent: 4405149 (1983-09-01), Piegay
patent: 4438946 (1984-03-01), Piegay

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