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US 5,581,219 AGranted
Circuit breaker
AssigneeFuji Electric Co., Ltd.
InventorsEiji Nozawa, Naoshi Uchida, Masao Miura, Tsuneo Ebisawa
Life of this patent
Estimating the term…
Abstract
A circuit breaker comprises a container made of electrically insulating material, the container being constituted by a casing and a cover; a switching mechanism contained in the container; partition walls defining a recess in the casing, the recess being separated from an interior of the container by the partition walls; and a base made of electrically insulating material, on which an accessory which is in the form of a cassette is detachably mounted, the base being detachably mounted in the recess formed in the cover.
Claims9
A circuit breaker comprising:
- a container made of electrically insulating material, said container being constituted by a casing and a cover;
- a switching mechanism contained in said container;
- partition walls defining a recess in said cover, said recess being separated from an interior of said container by said partition walls;
- a base made of electrically insulating material, said base being detachably mounted in said recess formed in said cover;
- and
- an accessory in the form of a cassette detachably mounted to said base,
- wherein said cover has a cover side wall in which an opening is formed, and said base has a base side wall in which a groove is formed, said base side wall being confronted with said opening formed in said cover side wall, said groove accommodating lead wires of said accessory.
4 more elements
A circuit breaker comprising:
- a container made of electrically insulating material, said container being constituted by a casing and a cover;
- a switching mechanism contained in said container;
- partition walls defining a recess in said cover, said recess being separated from an interior of said container by said partition walls:
- a base made of electrically insulating material, said base being detachably mounted in said recess formed in said cover;
- an accessory in the form of a cassette detachably mounted to said base;
- and
- an alarm switch arranged beside said switching mechanism, said alarm switch being operated by an operating shaft which is coaxially coupled to a latch pin which is rotated together with a latch of said switching mechanism.
4 more elements
A circuit breaker comprising:
- a container made of electrically insulating material, said container being constituted by a casing and a cover;
- a switching mechanism contained in said container;
- partition walls defining a recess in said cover, said recess being separated from an interior of said container by said partition walls;
- a base made of electrically insulating material, said base being detachably mounted in said recess formed in said cover;
- and
- accessory in the form of a cassette detachably mounted to said base,
- wherein said accessory comprises a plurality of accessories detachably mounted on said base, and
- wherein said accessories include a trip unit and an alarm switch arranged beside said switching mechanism, said trip unit being reset and said alarm switch being operated by an operating shaft coaxially coupled to a latch pin which is rotated together with a latch of said switching mechanism.
5 more elements
A circuit breaker comprising:
- a container made of electrically insulating material which comprises a casing and a cover;
- a switching mechanism contained in said container, said switching mechanism having a latch;
- a partition wall defining a recess in said cover, said recess being separated from an interior of said container by said partition wall;
- an accessory detachably mounted in said recess;
- a trip unit;
- an alarm switch arranged beside said switching mechanism together with said trip unit, said trip unit and said alarm switch being adjacent to each other;
- a latch pin rotatably connected with said latch of said switching mechanism;
- and
- an operating shaft coaxially coupled to said latch pin;
- wherein said trip unit is reset and said alarm switch is operated by said operating shaft.
7 more elements
Dependencies are inferred from the claim text.