| 摘要 |
PROBLEM TO BE SOLVED: To provide a shutter system of a draw-out type circuit breaker having a simple structure and exhibiting flexibility to the specification of a circuit breaker. SOLUTION: In the shutter system of a multi-electrode draw-out type circuit breaker comprising a draw-out frame (1) provided with frame terminals (4, 5) having body contact portions (4c), and a circuit breaker body (6) provided with body terminals (9, 10) and moving in the draw out frame, a horizontal sliding board (7) having an opening (7a) and sliding freely along the body contact portion, a vertical sliding board (8) slidable in the vertical direction along the horizontal sliding board and having an opening (8a) and sliding freely along the body contact portion in a state that both openings are matched, a spring (18) for urging the horizontal sliding board in the direction of the circuit breaker body, and a spring (20) for urging the vertical sliding board in the direction covering the opening of the horizontal sliding board are provided at each frame terminal. COPYRIGHT: (C)2007,JPO&INPIT |
