| 摘要 |
<p>The engine has a rolling chassis surmounted on a seat (7) comprising a base (10) and a backrest (11) which is relatively displaced with respect to the base. The backrest is moved from an active utilization position, in which the base and the backrest form an obtuse angle, to an inactive storage position, in which the backrest is pulled above the base. The backrest comprises a fixed part close to the base, and a mobile part (13) connected to the fixed part by a pivot connection. The fixed part serves as a limit stop for the mobile part in the active position of the backrest. Independent claims are also included for the following: (1) a sand sailer comprising a chassis (2) a foldable seat comprising a backrest.</p> |
