ATTACHMENT STRUCTURE OF CROSS BAR AND MOVABLE CONTACTOR OF CIRCUIT BREAKER

Title:

ATTACHMENT STRUCTURE OF CROSS BAR AND MOVABLE CONTACTOR OF CIRCUIT BREAKER

Document Type and Number:

Japanese Patent JP2012123970

Kind Code:

A

Abstract:

To provide a structure which can attach a movable contactor easily to a cross bar.

The attachment structure comprises a cross bar 51 in which a plurality of holding holes 51a are formed, a movable contactor 52 having a movable contact 53 provided at the tip, a shaft pin 55 projecting from both side surfaces of the movable contactor 52, and a wound spring 54 wound around the shaft pin 55. In the structure for attaching the movable contactor 52, i.e. an assembly of the shaft pin 55 and the wound spring 54, to the cross bar 51, introduction slopes 51e for guiding the shaft pin 55 to the bearing 51c of the cross bar 51 are formed on both side surfaces of the holding hole 51a in the cross bar 51, and a step 51i is formed in the introduction slope 51e.

More Like This:

JPS5947952

[Title of the device] 4 pole type circuit interception machine

Inventors:

ITO HIROYUKI
ITO YUICHI
YAHARA SHIGEKI
YASUMURA NAOKI

Application Number:

JP2010272482A

Publication Date:

June 28, 2012

Filing Date:

December 07, 2010

Export Citation: