Electricity: conductors and insulators – Feedthrough or bushing – Compression
Patent
1974-02-04
1976-06-29
Scott, James R.
Electricity: conductors and insulators
Feedthrough or bushing
Compression
174138R, 200 48R, 200 50AA, 317 99, 317103, H02B 104, H01B 1700
Patent
active
039671631
ABSTRACT:
An improved supporting means for the power conductor assemblies in circuit breakers is provided including one or more pairs of side-by-side post-insulators for insulatingly supporting one or more of the power conductor assemblies of the circuit breaker. Additionally, another pair of side-by-side post-insulators may be utilized to support one of the power-conductor assemblies from the grounded frame structure of the circuit breaker. Improved strength is provided by utilizing pairs of side-by-side post-type insulators and also cost reduction is remarkably achieved. Mounting bolts may be cast into the ends of the post-type insulators, such as formed of porcelain, for example, to support suitable hardware, such as metallic channel members, for example, to accommodate the power-conductor assemblies.
The pairs of side-by-side post-insulators may be arranged in front-to-back relationship, that is in the direction longitudinally of the power-conductor assembly, or, alternatively, the pair of side-by-side post-insulators may be disposed laterally of each other, that is generally transversely of the longitudinal direction of the power conductor assembly for the circuit interrupter.
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patent: 2914627 (1959-11-01), Eichelberger et al.
patent: 2914635 (1959-11-01), Lester et al.
patent: 2935548 (1960-05-01), Kozinski
patent: 3004116 (1961-10-01), Griscom
patent: 3579045 (1971-05-01), Keogh et al.
patent: 3603753 (1971-09-01), Erink
patent: 3657495 (1972-04-01), Charamel et al.
patent: 3783208 (1974-01-01), Davies et al.
patent: 3793494 (1974-02-01), Cleaveland
Crout W. R.
Scott James R.
Westinghouse Electric Corporation
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