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    • 1. 发明授权
    • Impact-safe motor-vehicle door latch
    • 冲击安全机动车门闩
    • US5865481A
    • 1999-02-02
    • US867968
    • 1997-06-03
    • Alexander Buschmann
    • Alexander Buschmann
    • E05B85/24E05B65/00E05B77/06E05C3/06
    • E05B77/06Y10S292/22Y10S292/23Y10S292/41Y10S292/65Y10T292/0908Y10T292/0978Y10T292/1047
    • A motor-vehicle door latch has a latch housing formed with a recess open in an acceleration direction the latch is displaced in during a collision and, immediately adjacent the recess, with a blocking formation directed in the direction. A latching element is displaceable on the housing between a position retaining a door bolt and a position releasing the door bolt and a retaining pawl displaceable engageable with the latching element is pivotal on the housing between a retaining position holding the latching element in its retaining position and a freeing position releasing the latching element. An actuating lever pivotal on the housing is engageable with the pawl to move same into the freeing position. The actuating lever extends transversely of the acceleration. An L-shaped blocking lever has a pair of arms and is pivotal on the actuating lever between a nonblocking position with one of the arms aligned generally in the direction with the recess and engageable and the other arm extending transversely of the direction and a blocking position with the one arm aligned in the direction with the blocking formation. The blocking lever when in the blocking position prevents pivoting of the actuating lever into the freeing position. A spring urges the blocking lever into the nonblocking position. This blocking lever is constructed to pivot against the spring into the blocking position on acceleration of the lever in the direction.
    • 机动车门闩具有闩锁壳体,该闩锁壳体形成有在加速方向上敞开的凹部,所述闩锁在碰撞期间移动,并且紧邻所述凹部,并沿着所述方向指向阻挡层。 闩锁元件可以在保持门螺栓的位置和释放门螺栓的位置之间在壳体上移动,并且可移动地与闩锁元件接合的保持爪在壳体上枢转在保持位置处,该保持位置将闩锁元件保持在其保持位置和 释放闩锁元件的释放位置。 枢转在壳体上的致动杆可与棘爪接合以将其移动到释放位置。 致动杆横向于加速度延伸。 L形阻挡杆具有一对臂,并且在致动杠杆之间枢转在非阻挡位置之间,其中一个臂中的一个臂大致沿着与凹部的方向排列并且可接合的方向对准,另一个臂横向于该方向延伸,并且阻挡位置 其中一个臂在阻塞形成的方向上对准。 当处于阻挡位置时,阻挡杆防止致动杆枢转到释放位置。 弹簧促使阻挡杆进入非阻挡位置。 该阻挡杆被构造成在杆的加速度方向上将弹簧枢转到阻挡位置。