Drawer guide rail assembly
US-7448704-B2Abstract
A guide rail assembly is provided with a sliding movement synchronizing member. The assembly includes a fixed guide mounted on a support part, an intermediate rail slidable relative to the fixed guide and an outer pull out channel slidable on the intermediate rail. A rail protrusion is provided on either the fixed guide upper surface or the pull out channel bottom surface. The synchronizing member pivotally mounted on the intermediate rail includes first and second arms that extend in opposing directions from a central portion that contains the pivot point. Each of the arms has a roller that enables the member to travel along either the pull out channel bottom surface or the fixed guide upper surface. Its central portion interacts with the rail protrusion so as to interchangeably lock the intermediate rail with the pull out channel and with the fixed guide, during opening or closing of the assembly.
Patent figures（8）
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