Patent ID: 7651309
Filing Date: 2010-01-26
Classification: B65G,F16F

Abstract:
1. A floating unit comprising: a stationary portion; a movable portion supported to be movable relative to said stationary portion and including an article support; a support disposed between said stationary portion and said movable portion, said support having a plurality of rolling elements rotatably held by a holder between an upwardly facing first contact surface provided on said stationary portion and a downwardly facing second contact surface provided on said movable portion, whereby said support is movable in all horizontal directions relative to said movable portion and to said stationary portion; movable portion returning means for biasing said movable portion relative to said stationary portion toward a reference position for receiving an article; and a plurality of resilient elements for biasing said support horizontally relative to said stationary portion toward a reference position for holding said movable portion.