| 摘要 |
<p>Disclosed is an improved contact locking mechanism of a circuit breaker. The present invention provides an improved contact system by addition of contact locking feature by virtue of a toggle mechanism as shown in figures. The moving (upper) contact (2) is assembled in driveshaft (1) with the help of a pin called contact pin (4) as shown in figures. The spring cage (5) is also assembled in driveshaft (1) with the same contact pin (4). One compression spring (6) is placed between the spring cage (5) and the moving (upper) contact (2) taking toggle pin (3) as its axis. The toggle pin (3) is placed in slot provided in the spring cage (5) and also attached to the moving (upper) contact (2) by the pivot pin (7).</p> |
