Trip interlock design

Trip interlock design

  • CN 1,036,881 C
  • Filed: 08/01/1990
  • Issued: 12/31/1997
  • Est. Priority Date: 08/04/1989
  • Status: Active Grant
First Claim
Patent Images

1. a circuit breaker comprises:

  • be fit to be installed in a shell on the screen;

    One or more pairs of separable main contacts that loaded by described shell;

    An operating mechanism operationally is coupled to described one or more pairs of separable main contact;

    Be configured in one or more pairs of electric terminals of the outside of described shell, be connected to described one or more pairs of separable main contact on they are electric;

    The trip gear that circuit breaker trip is used operationally is coupled with described operating mechanism;

    It is characterized in that;

    a release pin, cooperate with described trip gear, when described release pin is driven, cause described one or more pairs of separable contact to be separated;

    Drive unit, when shifting out, described screen drives described trip gear at described shell, wherein, described drive unit comprises;

    an actuating arm, it installs feasiblely when it is subjected to from spring-loaded bias voltage that an actuating arm shell outwards applies, and its motion with respect to described actuating arm shell is restricted.

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