Importance

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Abstract

A folding bookcase or other furniture or wall unit having a rolling mechanism guided along a floor track, the rolling mechanism supporting a substantial portion of the weight of the unit. One preferred construction includes a first wall section having first and second vertical lateral edges, the first vertical lateral edge being pivotally connected to a support, a second wall section having first and second vertical lateral edges, the first vertical lateral edge being pivotally connected to the second vertical lateral edge of the first wall section along a vertical axis therebetween; a floor track or guide; and a pivoting roller mechanism rotatable mounted at a bottom edge of the second wall section proximate the first vertical lateral edge of the second wall section for supporting a load the second wall section on the floor guide, wherein the pivoting roller mechanism includes one or more rollers, roller rotating about a horizontal axis and engaging the floor guide, wherein the rollers are constructed and arranged to have an effective rotational axis in line with the load applied from the second wall section. The preferred configuration for the roller is a V-groove wheel that mates with a V-shaped ridge of the floor track.

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First Claim