摘要 |
<p>The accessory has a mattress (1) with a fabric (3) fixed at its base and a shock absorber (2) fixed at its center by fixed and non-fixed straps (4, 5) and clamps for blocking footboards, where width of the mattress is 180cm. The shock absorber constitutes a part made of flexible plastic, which is equipped with a central part and flexible side parts. The fixed and non-fixed elastic straps fix the mattress on lower mattresses (6) using a fastening system (12) made of metal tube. Feet are protected using a thick foam. The clamps are composed of a fixed jaw (9) integrated with a bar (7).</p> |