| 摘要 |
<p>The vehicle seat (1) has a seat portion (5) with a backrest portion (6) fitted with vertical main spring (40) including spiral spring elements (41,42). A seat frame device (10) has a fixedly arranged frame portion (12), by which vehicle chassis is fastened, and a suspension frame portion (13) by which the seat portion and the backrest portion are suspended. The seat frame device includes a tubular structure (11), with which pipe elements (21,22) of seat frame device are partially arranged within the spiral spring elements of vertical main spring.</p> |
