| 摘要 |
<p>A safety belt which doesn't keep close to body comprises a safety belt, a tensioner, a flashboard, a buckle and a limiter. The limiter includes, a shell, an entrance for safety belt locates at the side of the shell, upper per and lower rotating shafts are in the shell, the lower rotating shaft engages with two lower shaft seats of the lower shell, a clamp sleeve secures on the lower rotating shaft, on each of two lower shaft seats has electromagnet, a ratchet wheel and a pawl locate on the lower shaft; on the upper rotating shaft secures clamp knot and two upper shaft seats which cooperate moveably, the upper shaft seats with springs locate in the two slides of the upper shell, the ratchet wheel and the pawl locate on the upper shaft, the lower of the upper rotating shaft has electromagnet, and a motor driving lower shaft may be installed in the lower shell. The safety belt has automatic or manual limiter.</p> |
