发明授权
US07569784B2 Electrical switching apparatus, and housing and integral pole shaft bearing assembly therefor 有权
电气开关装置,外壳和整体式极轴轴承组件

Electrical switching apparatus, and housing and integral pole shaft bearing assembly therefor
摘要:
A bearing assembly is provided for an electrical switching apparatus including a housing having at least one parting line and an exterior side, a stationary contact assembly disposed on one side of the parting line, a movable contact assembly, and an operating mechanism with a pole shaft for moving the movable contact assembly into and out of electrical contact with the stationary contact assembly. The bearing assembly includes a number of primary bearings pivotably supporting the pole shaft on the same side of the parting line as the stationary contact assembly. An integral bearing section including secondary bearings pivotably couples the pole shaft to the housing at least one bearing cover member having a fastening portion. The pole shaft is pivotably disposed at or about the integral bearing section on the exterior side of the housing. A housing and an electrical switching apparatus are also disclosed.
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