Patent ID: 6572479
Filing Date: 2003-06-03
Classification: F02N,F16D,F16F,F16H,Y10S,Y10T

Abstract:
A shock absorber comprising a rotary disk, a stationary disk and a disk spring, said rotary disk being pressed by said disk spring against said stationary disk to generate frictional force when said rotary disk is rotated relative to said stationary disk by an excessive shock thereby absorbing the shock,said rotary disk being formed from a rolled material that is rolled in a direction of rolling; said rotary disk having a plurality of rectangular dimples and projections on an axially outwardly facing surface of said rotary disk to confront said stationary disk, each of said projections extending outwardly from all sides of one of said rectangular dimples to form a rectangular configuration, wherein each side of each of said projections is equally angled relative to said direction of rolling.