| 摘要 |
A coupling device of a breaker housing and a main body is provided to prevent the formation of a gap between a main body and a support plate, to couple a fixing bolts easily and to prevent a nut from getting loose by impact force, etc. A coupling device of a breaker housing and a main body is formed by installing a plate(110) on the upper part of a breaker housing(100) by inserting a reinforcing projection(111) to form the breaker housing integrally, installing a support bar(150) fitted with a slide bolt(140) on the upper part of the breaker housing and installing fixing supports(190) integrally on two walls of an opening of the breaker housing and inserting a fixing piece(200) between the two fixing supports, inserting a support plate(220) to be adhered closely to a main body(130), and inserting many fixing bolts(230) to two sides of a coupling hole(210) of the support plate to be coupled with the breaker housing respectively.
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