Patent ID: 6116555
Filing Date: 2000-09-12
Classification: A47C

Abstract:
A base for a chair, comprising:a set of arms; anda central hub from which the arms extend, wherein the hub is adapted for mounting and maintaining therein a column for joining the base with a seat of the chair;wherein the hub is formed with a passage extending along a longitudinal axis and defining a first wall portion tapered downwardly and inwardly relative to the longitudinal axis, and a second wall portion tapered downwardly and outwardly relative to the longitudinal axis, wherein a ring area is interposed between the first and second wall portions, and wherein the cross-sectional area of the passage defined by the second wall portion adjacent the ring area is larger than the cross-sectional area of the passage defined by the first wall portion adjacent the ring area, wherein the passage is adapted to receive the column and the first and second wall portions are operable to prevent the column from moving laterally and downwardly relative to the base.