Electrical switching devices, in particular low voltage power ci

Details Electrical switching devices, in particular low voltage power ci Electrical switching devices, in particular low voltage power ci

1993-03-17

1994-11-08

Recla, Henry J.

Electricity: circuit makers and breakers

Toggle mechanisms

200333, 200293, 16376, H01H 2300

Patent

active

053629337

ABSTRACT:
An electrical switching device such as a low voltage power circuit breaker, can have a cover with a slot-like opening for providing access to a switch lever of the switching device. The cover can extend to cover over any chambers for shunt releases and/or auxiliary switches etc. which chambers can be located on both sides of the switch lever within the enclosure. The cover can also have fastening devices for attachment of a mechanical rotary actuator or a motor drive. The cover is connected to the enclosure in a manner which provides for a simple opening and closing of the cover, and essentially eliminates the danger of losing and mixing up such covers. The cover is designed with bearing legs which are bent at an angle of 90 degrees in relation to the cover plane. The bearing legs are preferably parallel to one another and laterally overlap the enclosure. The cover is mounted to the enclosure by means of the bearing legs and pivot bearing with coaxially interlocking pivots and pivot bearing openings.

REFERENCES:
patent: 2268943 (1942-01-01), Johansson
patent: 3054880 (1962-09-01), Harman, Jr.
patent: 3970808 (1976-07-01), Gryctko et al.
patent: 4345354 (1982-08-01), Ichikawa
patent: 5157577 (1992-10-01), Balaud et al.
patent: 5219070 (1993-06-01), Grunert et al.
patent: 5286935 (1994-02-01), Mina et al.

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