| 摘要 |
An improved seat back construction is presented herein, so that the frame can easily be produced by metal rammed and bent into shape, which is relatively inexpensive for producing shapes of differing design without huge quantity. Coupling with a wood frame of same shape, a fabric is then overlaid onto the combined frame and tightened/wrapped around by leather, which is sewed to the fabric/wood frame on one side and zipped to the fabric on the other side, producing a nice-looking outer edge of leather, while allowing the construction of elastic and comfortable seat back to be made at low cost, responding to changing design needs, shorter life cycle of products.
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