Title:
METHOD OF MANUFACTURING THERMAL TRIPPING DEVICE, AND THERMAL TRIPPING DEVICE
Document Type and Number:
Japanese Patent JP2009123416
Kind Code:
A
Abstract:
To solve problems that a conventional thermal tripping device has a possibility that a regulator of a regulation mechanism drops in an incorporating step in manufacturing or in conveying a workpiece after the incorporating step, and it becomes difficult to pick up the regulator and reattach the regulator.
In a bimetal forming step, a second engagement hole is provided in a position apart from a first engagement hole by a predetermined distance, and a shaft is formed between the first engagement hole and the second engagement hole. In an engagement step, a bow shaped part is fit into a guide groove and the regulator is rotatably engaged with the shaft by deforming part of the thermal tripping device.
Inventors:
MURAI MASATOSHI
KAWAMURA KOJI
HIYAMA MASAYUKI
IWASAKI TOSHIAKI
KAWAMURA KOJI
HIYAMA MASAYUKI
IWASAKI TOSHIAKI
Application Number:
JP2007294124A
Publication Date:
June 04, 2009
Filing Date:
November 13, 2007
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H01H69/01; H01H73/22; H01H11/00; H01H61/01
Domestic Patent References:
| JP2002260515A | 2002-09-13 | |||
| JPH09236470A | 1997-09-09 |
Attorney, Agent or Firm:
Shogo Takahashi
Tadahiko Inaba
Kanako Murakami
Nakatsuru Kazutaka
Tadahiko Inaba
Kanako Murakami
Nakatsuru Kazutaka