Patent ID: 7421748
Filing Date: 2008-09-09
Classification: A61G

Abstract:
1. A supported frame that is operable at and between a high and low position, said supported frame comprising: a frame; a first articulating structure having; a second articulating structure having; wherein as said first rigid support second end rotates away from said frame, said first serpentine support second end extends away from said first serpentine support first end, and said first rigid support second end and said first serpentine support second end cooperate to maintain a selected orientation of said first caster support at both the high position and the low position of the supported frame, and wherein as said second rigid support second end rotates away from said frame, said second serpentine support second end extends away from said second serpentine support first end, and said second rigid support second end and said second serpentine support second end cooperate to maintain a selected orientation of said second caster support at both the high position and the low position of the supported frame.