Opening and closing feature of circuit breaker

摘要

(57) Abstract Objective Number of articles to be little, assembly adjustment being easy, onlySame entrance quick break of the electric circuit is possible and reliability is high. Constitution Electromagnetic pulling down feature section 1 and break feature section 2And others to become, as for break feature section 2, hand lupine 9a time motionThe flat-bar switch-clip 10 which is concatenated to time dynamic unrestricted handle 9 as a spindleWith, around trip arm time driving axle 11 time dynamic unrestricted toritsupuamu depth hole 12 of 12 and that trip arm 12The trip arm which it fits to a, at the same time concatenates to flat-bar switch-clip 10Concatenated pin Kakeya projection 12b of 13 and trip arm 12Kakeya projection 14a Kakeya unrestricted and the Kakeya piece 14 which is formed and, thatBottom of Kakeya piece 14 and wide hole 15of a frame 15The Kakeya one operation pin vertical arc-shaped of 16 which it penetrates completely and frame 15To have with the separate pin 17 which penetrates completely the hole 15b, thatSeparate pin 17 and trip arm concatenated pin 13It pulls between and spring 18 is done the Hari rack.