| 摘要 |
A safety belt buckle based on the well accepted pivotal latch design has simple measures for adaptation for use with a belt pretensioner. The pivotal latch (16) is secured in a fastened position by a locking plate (20). The locking plate (20) is for its part held in position by two locking balls (36), which are retained between a recess (28) in the locking plate and an arrest plate (30) adapted to shift in parallelism to the locking plate. For unfastening the buckle it is firstly necessary for such arrest plate (30) to be actuated by way of an inertial mass-compensated system. The buckle is furthermore made proof against extremely high levels of acceleration in all directions.
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