| 摘要 |
<p>The fastening device for trailer (1) is used to hook a trailer (3) to a tracting vehicle (2). Crossed arms (4, 5) comprise each one end (6, 7) hinged to the trailer (3) and another end (12, 13) intended to be hooked to the tracting vehicle (2). Locking means (17, 18, 19) hold both arms (4, 5) in a symmetrical position with respect to the longitudinal centre plane of the trailer (3). Application particularly to caravans. </p> |
