Patent ID: 6742202
Filing Date: 2004-06-01
Classification: A47C

Abstract:
A support system comprising:a plurality of columns; the columns having first and second ends; the columns further comprising: at least two telescoping sections slidably engaging one another; where one of the telescoping sections is an upper section, and a second telescoping section is a lower section, and further comprising: a push rod internal to the upper section and disposed coaxially therein; the push rod extending into the lower section; an auxiliary spring disposed inside the lower section; the auxiliary spring engaging the push rod when the actuator is sufficiently compressed; and, at least one actuator disposed between the telescoping sections; the actuator urging the first and second ends of the columns apart; the actuator having a limit of extension; a base; the columns connected to the base at their first ends; the second ends of the columns defining a plane of support when the actuator is at the limit of its extension; and, the second ends of the columns moveable perpendicular to the plans of support independently of one another.