Patent ID: 7367591

Claim:
A safety belt device without tightly binding body, comprising a safety belt with a flashboard a belt retractor, a buckle, and a limiter for adjusting the degree of tightness of the safety belt, characterized in that the limiter includes an upper housing and a lower housing, a belt inlet and a belt outlet being provided on two side faces of the housings, an upper roller and a lower roller are provided at two sides of the safety belt within the housings, at least one of the upper and the lower rollers being movable in a direction close to the other roller; clamping sleeves are fixedly secured around the lower roller and the upper roller, respectively, so that the safety belt is clamped between the clamping sleeves as the rollers move close to each other:and the upper roller and the lower roller are configured to be rotatable in a belt-unwinding direction to allow the belt to be pulled out.