Vacuum circuit breaker, vacuum circuit breaker contact slow...

Details Vacuum circuit breaker, vacuum circuit breaker contact slow... Vacuum circuit breaker, vacuum circuit breaker contact slow...

2006-08-29

2006-08-29

Donovan, Lincoln (Department: 2832)

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Vacuum

C218S154000, C324S424000

Reexamination Certificate

active

07098418

ABSTRACT:
An adjusting bolt is screwed into a nut attached to a dolly, and is disposed such that a central axis thereof is parallel to a closing and opening direction of a contact. A lever is attached to a shaft. An electrically-insulating rod is coupled to a first end of the lever, and a pin is mounted to a second end of the lever. The adjusting bolt is turned and lowered to lower the pin. The lever and the shaft are pivoted by the lowering of the pin, and the electrically-insulating rod is raised. Thus, a movable contact moves toward a fixed contact, moving the contact from an open state to a closed state.

REFERENCES:
patent: 4015410 (1977-04-01), Smith
patent: 5422450 (1995-06-01), Miyazawa et al.
patent: 6002560 (1999-12-01), Nguyen et al.
patent: 6150625 (2000-11-01), Marchand et al.
patent: 6373015 (2002-04-01), Marchand et al.
patent: 05-094742 (1993-04-01), None
patent: 11-086696 (1999-03-01), None
patent: 11-273511 (1999-10-01), None

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