Vibration damping devices for skis and other applications

Details Vibration damping devices for skis and other applications Vibration damping devices for skis and other applications

1995-03-20

1997-10-21

Boehler, Anne Marie

Land vehicles

Skates

Runner type

188378, 188268, 267141, A63C 507

Patent

active

056788401

ABSTRACT:
Vibration damping devices for skis and other applications, the damping devices comprising a Cantilevered Impact/Friction Damper (CIFD) and an Improved Constrained Layer Damper (ICLD), the CIFD including a frame affixed to a portion of the vibrating body and having a cantilevered tubular member adapted for oscillation relative to the frame such that when subject to high amplitude vibration, a free end of the tubular member having a mass alternately strikes a pair of confronting stops, the tubular member having a plurality of particles disposed therein which dissipate low amplitude vibration through inter-particle friction; the ICLD comprising a spacer member having at least one layer of viscoelastic material and at least one constraining layer attached thereto, the spacer member having a plurality of slots spaced along the longitudinal extent thereof to reduce the bending stiffness of the spacer member without diminishing the damping effect.

REFERENCES:
patent: 3031046 (1962-04-01), Hoadley
patent: 3078969 (1963-02-01), Campbell
patent: 3078971 (1963-02-01), Wallerstein
patent: 3110262 (1963-11-01), West
patent: 3326564 (1967-06-01), Heuvel
patent: 3412725 (1968-11-01), Hoyt
patent: 3417950 (1968-12-01), Johnson
patent: 4527371 (1985-07-01), Hagbjer
patent: 4679813 (1987-07-01), Girard
patent: 4865345 (1989-09-01), Piegay
patent: 5143394 (1992-09-01), Piana

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