Draw in and out type circuit breaker

Patent metadata

Field	Value
Publication number	US-9972458-B2
Application number	US-201615335337-A
Country	US
Kind code	B2
Filing date	Oct 26, 2016
Priority date	Apr 20, 2016
Publication date	May 15, 2018
Grant date	May 15, 2018

Abstract

Disclosed is a draw in and out type circuit breaker. In the draw in and out type circuit breaker, at least one guide slot is provided in a slide plate, and thus, a clip moves to a test position, a connected position, or a disconnected position with being fitted into the at least one guide slot, thereby enabling a position of the clip to be easily controlled.

First claim

What is claimed is:

1. A draw in and out type circuit breaker including a circuit breaker body, a cradle which moves with the circuit breaker body being accommodated into the cradle, and a position display device connected to the cradle to display a position of the circuit breaker body, the position display device comprising:
a case;
a lever provided on one side of the case to rotate according to a rotation of the circuit breaker body;
a slide plate provided in the case to move according to a rotation of the lever, the slide plate including at least one guide slot; and
a clip fitted into the at least one guide slot, wherein the clip is configured to move to a position corresponding to a test position, a connected position or a disconnected position of the circuit breaker body so that the position of the circuit breaker body is displayed according to a movement of the slide plate,
wherein a fixing part is provided under the clip so that the clip is fitted into and fixed to the at least one guide slot.

2. The draw in and out type circuit breaker of claim 1 , wherein the fixing part has a hook shape.

3. The draw in and out type circuit breaker of claim 1 , wherein a fixing groove is provided in the at least one guide slot, and the fixing part is fitted into and fixed to the fixing groove according to a movement to the test position, the connected position, or the disconnected position of the circuit breaker body.

4. The draw in and out type circuit breaker of claim 1 , wherein:
a fixing groove is fitted is provided in the at least one guide slot according to a movement to the test position, the connected position, or the disconnected position of the circuit breaker body,
a movement guide part which is fitted into the at least one guide slot to guide the movement of the clip is provided under the clip, and
a fixing bar is provided on each of both sides of the movement guide part and is fitted into the fixing groove according to a movement to the test position, the connected position, or the disconnected position of the circuit breaker body.

5. The draw in and out type circuit breaker of claim 4 , wherein
a fastening hole is provided in a bottom of the movement guide part, and
a fastening member passes through the fastening hole with the clip being fitted into the at least one guide slot, and the clip is fixed to the slide plate.

6. The draw in and out type circuit breaker of claim 5 , wherein an accommodating groove is provided in each of a front end and a rear end of the at least one guide slot, and when the clip moves, one end or the other end of the movement guide part is accommodated into the accommodating groove.

Assignees

• Lsis Co Ltd

Inventors

• Lee Sangchul

Classifications

• H02B11/10 Primary

  Indicating electrical condition of gear; Arrangement of test sockets · CPC title

• H01H71/522

  comprising a cradle-mechanism · CPC title

• H02B11/02

  Details · CPC title

• H02B11/127 Primary

  Withdrawal mechanism · CPC title

• H01H71/04 Primary

  Means for indicating condition of the switching device {(by means of an auxiliary contact H01H71/46)} · CPC title