Patent ID: 6052955
Filing Date: 2000-04-25
Classification: A47C,A47D,A47G,A63G,E04F,F16F

Abstract:
An oscillating standing floor with an upper part movable relative to a lower part positioned on a conventional floor, said upper part and said lower part are operatively connected to one another by a plurality of members, said members each comprising a horizontal first circular cup, said first cup having a downwardly facing first spherical depression, a horizontal second circular cup, said second cup having an upwardly facing second spherical depression, said first spherical depression and said second spherical depression being in confrontational relationship and defining a space therebetween, a ball positioned in said space, said ball having a diameter to maintain said first circular cup and said second circular cup in a non-touching relationship, said first circular cup and said second circular cup each having an annular radially extending peripheral groove, an elastic annular casing, said elastic annular casing having spaced radially inwardly extending annular projections adapted and constructed to fit into said grooves thereby to seal said space containing said ball, an annular band mounted externally about said annular casing opposite to said projections whereby to retain the casing about said cups.