| 摘要 |
<p>The support consists of two semi-rigid sections, with one of the ends of one section joined to the other section. Each section is made of one piece of tubular metal bent into position (6, 7). The two bent sections are joined by another section (10) forming a cross-piece. When joined together, the sections form the letter W. The hinge and stop-pieces (11) are made of a piece with two T shaped holes through, and of parallel piped shape.</p> |
