摘要 |
<p>A safety restraint system (20) comprising: a safety belt system (24, 26) for restraining an occupant comprising: a safety belt (24, 26); a retractor (30) for protracting and retracting the safety belt, a shoulder belt support (32) for supporting the shoulder belt portion of the safety belt; a pretensioner (38) for providing, subsequent to activation, a preload tensile force in the shoulder belt portion in excess of a first low limit value of about 50 pounds; a load limiter (156, 162) for limiting the loads imparted by the shoulder belt portion to an occupant, operative after the preload acts on the shoulder belt portion, including first means for introducing a predetermined amount of slack in the shoulder belt when the belt tension is above a second low limit value and for preventing such slack introduction when belt tension is lower than such second low limit value.</p> |