| 摘要 |
PROBLEM TO BE SOLVED: To obtain a locking mechanism of the connection plug of a drawer- type breaker which has a simple construction and whose maintenance and inspection is facilitated. SOLUTION: The locking mechanism of the connection plug of a drawer-type breaker is such that a locking plate 14 is attached with pins 17A and 17B to the inner side of the side surface of an attachment plate 13, which is fixed to the left side plate of a drawer-type vacuum breaker, a square hole is formed in the lower front part of the attachment plate 12A, a spacer tube 19 fitted loosely to the square hole and an operation plate 15 are put onto the back side of an obstruction panel 12A in this order and fixed with a small screw 23, a linkage pin 22 is made to penetrate the operation plate 15 horizontally, and the lower end of a locking rod 9A whose upper end is linked with the linkage pin 22 is made to penetrate the bottom plate 2c of the drawer-type vacuum breaker. |
