| 摘要 |
<p>The automatic coupling for lorry trailers with a coupling sheath and safety slide to prevent automatic de-coupling and a scissors lever and a vertical lever with a ball grip at the top end. There is an S-shaped lever for decoupling from the round towing hook for decoupling the trailer from the lorry. The driver can couple the lorry to its trailer from his driving seat, without possibility of danger to any helpers. Previously the driver had to apply the trailer hand brake or put chocks behind the rear wheels.</p> |
