Patent ID: 6935250
Filing Date: 2005-08-30
Classification: A47B

Abstract:
1. An elevating table apparatus, comprising: a) a table top having an underside and an upper surface that provides a work surface; b) a plurality of three telescoping legs attached to and supporting the table top, one leg being a center leg, the legs each comprising a lower, smaller fixed section and an upper, larger movable section, each leg having a lower end portion and an upper end portion and wherein the lower section fits inside the upper section and the sections telescope relative to one another; c) a gear cluster at the top of each leg that includes a plurality of gears that are engaged during use; d) each leg having a hollow interior that holds a generally vertically extending, externally threaded rod, the rod having an upper end portion with a gear that forms a part of the gear cluster and a lower end portion that threadably engages a leg lower section; e) a crank having a drive shaft with a gear that forms a part of the gear cluster; f) a plurality of connecting rods that connect each gear cluster to another of the gear clusters so that when the crank is rotated, all of the connecting rods rotate, each connecting rod having a gear at a connecting rod end portion engaging part of the gear cluster; and g) a plurality of transverse support bars that span between the upper, larger movable leg sections, each transverse bar spanning between the center telescoping leg and another of the telescoping legs at a position spaced below the table top.