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    • 4. 发明授权
    • Deceleration switch
    • 减速开关
    • US4987276A
    • 1991-01-22
    • US404413
    • 1989-09-08
    • Heinz BaderGeorg Sterler
    • Heinz BaderGeorg Sterler
    • H01H35/14
    • H01H35/147
    • A deceleration switch comprising a support member, a permanent magnet mounted on the support member and displaceable from a first position to a second position by inertia caused by a predetermined deceleration of the support member, a spring mounted on the support member for biasing the permanent magnet toward the first position, a set of electrical contacts mounted on the support member and operable to close under the influence of the magnetic field of the permanent magnet when the permanent magnet is in the second position and an inductive device energized to produce a second magnetic field enhancing the magnetic field of the permanent magnet thus causing the contacts to remain closed for a longer period of time upon return of the permanent magnet to its first position under the biasing action of the spring.
    • 一种减速开关,包括支撑构件,安装在所述支撑构件上的永磁体,并且由所述支撑构件的预定减速度由惯性引起的从第一位置移动到第二位置;弹簧,其安装在所述支撑构件上,用于偏置所述永磁体 朝向第一位置,安装在支撑构件上的一组电触点,并且当永磁体处于第二位置时,可在永磁体的磁场的影响下闭合并且感应装置通电以产生第二磁场 增强永磁体的磁场,从而使得在弹簧的偏置作用下使永磁体返回到其第一位置时,触点保持关闭较长时间。