The following quote was obtained by the news editors from the background information supplied by the inventors: “Recently, a slide structure is being developed, in which a first member maintaining a constant width and a second member covering at least two width-direction side portions of the first member are relatively slidably assembled, and an urging device is interposed between the first member and the second member.
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via NIFCO : Patent Issued for Slide Structure (USPTO 9211844) | 4-Traders.