| 摘要 |
894,912. Electric circuit-breakers. MURRAY MANUFACTURING CORPORATION. Dec. 15, 1958 [Jan. 2, 1958], No. 40373/58. Class 38 (5). Two single-pole bus-bars as disclosed in Specification 894,406 are interconnected by a transfer member 34 so that they are both tripped on a single pole fault. The transfer member is cross-shaped and connects the two trip members 20, thus allowing the roller assembly 17 to release the moving contact carrier 7.
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