Patent ID: 6149120
Filing Date: 2000-11-21
Classification: A47B,A47F

Abstract:
A device comprising:a) a first and second upright;b) a support rail connecting said first upright and said second upright;c) a vertical spacer having a first edge, a second edge and a bearing surface, a portion of said first edge being disposed on said first upright and a portion of said first edge being disposed on said second upright;d) a guide rail having a top surface and being disposed along said second edge of said vertical spacer, said guide rail extending over said bearing surface;e) a sliding support member having a first roller, a second roller and a third roller;f) said first roller engaging said top surface and being oriented for transmitting substantially only vertical forces from said sliding support member to said top surface;g) said second roller engaging said support rail and being oriented for transmitting substantially only horizontal forces from said sliding support member to said support rail; and,h) said third roller being disposed beneath said top surface of said guide rail and said first roller, and engaging said bearing surface of said vertical spacer, said third roller being oriented for transmitting substantially only horizontal forces from said sliding support member to said bearing surface.