Title:
FIXED CORE DEVICE FOR PLUNGER TYPE ELECTROMAGNETIC
Document Type and Number:
Japanese Patent JPS5521140
Kind Code:
A
Abstract:
PURPOSE: To raise a coupling force of a fixed core to a yoke member by plunging a face coupled with the fixed core into the fixed core side from a horizontal line on the inner face of the upper and lower plate of a yoke.
CONSTITUTION: A face compled with a fixed core is plungered from a horizontal line Z-Z on the inner face of the upper and lower plate 2 and 3 of a yoke 1 to the fixed core 13 side. According to such a construction, the coupling configuration of the element 2, 3 and 13 has a mechanical, concave and convex relationships among them, therefore, the fixed core 13 can be tightened up more firmly without depending upon only a welding X.
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| JPS5849671 | MANUFACTURE OF FERRITE CORE |
Inventors:
TSUYUMINE OSAMU
UENO AKIHIRO
KAWASAKI KENJI
UENO AKIHIRO
KAWASAKI KENJI
Application Number:
JP9380678A
Publication Date:
February 15, 1980
Filing Date:
July 31, 1978
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
H01F3/00; H01F7/16; (IPC1-7): H01F3/00; H01F7/16
Domestic Patent References:
| JPS4943754B1 | 1974-11-22 | |||
| JP50113789B | ||||
| JPS5323545B2 | 1978-07-15 |