发明名称 |
Circuit breaker with blow open latch |
摘要 |
An electric circuit breaker with blow open contact arm characterized by a pair of separable contacts one of which is mounted on a contact arm that is rotatably mounted on mounting bracket. The contacts maintain a repulsion magnetic force which operates to separate the contacts when a predetermined current overload occurs. A trip mechanism is connected to the mounting bracket or automatic opening of the contacts in response to a predetermined current overload condition. The contact arm comprising a cam and the mounting bracket comprising a cooperable cam follower whereby the contact arm is movable to an open contact independently of the mounting bracket.
|
申请公布号 |
US4638277(A) |
申请公布日期 |
1987.01.20 |
申请号 |
US19850782669 |
申请日期 |
1985.10.01 |
申请人 |
WESTINGHOUSE ELECTRIC CORP. |
发明人 |
THOMAS, GLENN R.;MCKEE, JERE L. |
分类号 |
H01H73/40;H01H77/10;(IPC1-7):H01H3/00 |
主分类号 |
H01H73/40 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|