Static contact member for a high-voltage bushing insert

Details Static contact member for a high-voltage bushing insert Static contact member for a high-voltage bushing insert

1987-05-11

1988-09-27

Pirlot, David

Electrical connectors

Including arc suppressing or extinguishing means

By arc suppressing or extinguishing environment

439187, 439921, H01R 1353

Patent

active

047738723

ABSTRACT:
In a high-voltage bushing insert having a moving, piston-operated, female contact assembly electrically coupled to an interior metallic sleeve by means of a louvered contact ring, the improvement comprising a static metallic contact member providing an alternative electrical path from said female contact assembly to said metallic sleeve. The static contact member is generally circular and substantially closed at a first end and is multiply slotted adjacent its second end to provide a series of bulbous, spring fingers thereat. The spring fingers making intimate electrical contact with the interior of the female contact assembly in its static position and for a portion of its travel away from the closed end of the metallic sleeve. An exterior ring at the contact's first end assures good electrical contact with the metallic sleeve. The contact bore base can be formed with a wrench flat driving arrangement, or unthreaded to accept a threaded stud used to couple the insert to the bushing well threaded aperture or threaded to accept the threaded stud of a bushing well.

REFERENCES:
patent: 4119358 (1978-10-01), Tachick et al.
patent: 4131329 (1978-12-01), Flatt
patent: 4186985 (1980-02-01), Stepniak et al.
patent: 4464004 (1984-08-01), Hegyi et al.

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