Patent ID: 9370221
Filing Date: 2016-06-21
CPC Classification: A43B

Claim Text:
1. A shock absorbing and pressure releasing damper apparatus for footwear, comprising: an upper board having a plurality of upper mounting portions disposed on a bottom of the upper board; a lower board disposed below the upper board, the lower board having a plurality of lower mounting portions disposed on a top of the lower board and corresponding to the upper mounting portions of the upper board; a middle cushion member disposed between the upper board and the lower board, the middle cushion member including a plurality of confining through holes corresponding to the upper mounting portions of the upper board and the lower mounting portions of the lower board; a plurality of elastic members arranged between the upper mounting portions of the upper board and the lower mounting portions of the lower board, the elastic members received in the confining through holes of the middle cushion member; and a plurality of magnetic members arranged in the upper mounting portions of the upper board and the lower mounting portions of the lower board and at centers of the elastic members, the magnetic members having magnetic polarities; wherein a plurality of annular slits are defined in the middle cushion member for absorbing deformation energy with each annular slit being attached to and blocked by a circular portion of the middle cushion member without penetrating through the middle cushion member.