DETAILS ARE GIVEN OF 5 WEB LOCKING DEVICES LOCATED AT THE RETRACTOR WHICH HAVE BEEN OR ARE BEING TESTED. THEY FALL INTO TWO CLASSES, DEPENDING ON THEIR OPERATING PRINCIPLE: TYPE A, IN WHICH THE WEB LOCKER IS INDEPENDENT OF THE RETRACTOR; LOCKING RESULTS FROM DECELERATION OF THE COMPARTMENT; TYPE B LOCATED UNDER THE RETRACTOR; LOCKING RESULTS FROM FORCES IN THE STRAP. IN SLED TESTS TYPE A LOCKER GAVE NOTICEABLY BETTER PERFORMANCE THAN TYPE B. THE TESTS WERE CARRIED OUT ON LOCKERS ASSOCIATED WITH STANDARD THREE-POINT BELTS AND WITH OPTIMIZED THREE-POINT BELTS. THE TEST PROGRAMMES ARE DESCRIBED AND RESULTS GIVEN OF THE USE OF LOCKERS ON INJURIES OF THE LOWER LIMBS, ABDOMEN, THORAX, AND HEAD. FOR THE COVERING ABSTRACT OF THE CONFERENCE SEE IRRD 802816.
Abstract