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US 9,755,407 B2Granted
Draw out apparatus for air circuit breaker
AssigneeLsis Co., Ltd.
InventorKyujung Kim
Life of this patent
Estimating the term…
Abstract
The present invention relates to a draw out apparatus for an air circuit breaker, and more particularly, to a draw out apparatus for an air circuit breaker capable of allowing a circuit breaker body to be stopped at a preset position, by executing idling when an abnormal operation such as an over-draw in operation and an over-draw out operation occurs at the preset position such as a disconnect position, a test position or a connect position, and capable of preventing damage of a circuit breaker and a cradle.
Claims10
A draw out apparatus for an air circuit breaker, comprising:
- a cradle configured to accommodate therein a circuit breaker body;
- a driving shaft penetratingly-installed at first and second side plates of the cradle;
- and
- a worm wheel provided at one end of the driving shaft,
- characterized in that the apparatus comprises:
- first and second plates installed at the first side plate so as to be spaced from each other, and a third plate installed in front of the first plate in a spaced manner;
- a main shaft rotatably installed at the first and second plates, and having a worm gear portion for rotating the worm wheel at part of an outer circumferential surface thereof;
- an inner clutch provided at a front end of the main shaft;
- a front shaft rotatably installed at the third plate, and coupled to the main shaft in a coaxial manner;
- and
- an outer clutch slidably installed at the front shaft, and formed to be coupled to or separated from the inner clutch.
8 more elements
Dependencies are inferred from the claim text.