| 摘要 |
<p>The seat is for use in public places and the position of its back can be altered (8) from one side to the other. The angle Between the back and the seat is identical in each position. The frame for the back consists of four wooden bars (1,2,3,4) joined together by screws, bolts or rivets with washers between them. Two bars (2,3) are identical and are joined, at the same point, to a bar (1) which supports the back. They are also joined to opposite sides of another bar (4) joined to the cross bar (5) of the legs. In each position the common bar (1) acts as a support for the seat back.</p> |
