| 摘要 |
<p>THE PROVIDE AN INTERLOCK DEVICE SATISFYING THAT A DRAW-OUT TYPE CIRCUIT BREAKER IS FIRMLY FIXED AT AN OPERATION POSITION AND A DISCONNECTED POSITION, IS ALWAYS IN AN OPEN STATE WHEN THE DRAW-OUT TYPE CIRCUIT BREAKER IS MOVED TO THE OPERATION POSITION, AND REMAINS IN THE OPEN STATE WHILE THE DRAW-OUT TYPE CIRCUIT BREAKER IS PLACED AT A POSITION OTHER THAN THE OPERATION POSITION AND THE DISCONNECTION POSITION; THE INTERLOCK DEVICE IS PROVIDED WITH A TRIPPING BUTTON (1) THAT IS LINKED TO A TRIPPING MECHANISM OF THE DRAW-OUT TYPE CIRCUIT BREAKER AND AN INTERLOCK ROD (3) THAT IS PLACED SO AS TO BE MOVABLE UP AND DOWN, AND IS CONSTRUCTED SO THAT THE TRIPPING BUTTON MECHANICALLY PREVENTS AN OPERATION TO RAISE THE INTERLOCK ROD UNLESS THE TRIPPING BUTTON IS OPERATED TO PLACE THE DRAW-OUT TYPE CIRCUIT BREAKER IN THE OPEN STATE, SO A POWER DISTRIBUTION BOARD FLOOR SURFACE OR A MEMBER (55) FIXED ON THE POWER DISTRIBUTION BOARD FLOOR SURFACE AND THE INTERLOCK ROD INTERFERE WITH EACH OTHER, THEREBY THE DRAW-OUT TYPE CIRCUIT BREAKER IS FIXED AT A PRESCRIBED POSITION IN A POWER DISTRIBUTION BOARD.</p> |
