Title:
CONTACT SWITCHING DEVICE
Document Type and Number:
Japanese Patent JP3398973
Kind Code:
B2
Abstract:
PURPOSE: To provide a contact switching device having an excellent fusion- resistant property.
CONSTITUTION: A contact region E1 of a coil spring 3 with a moving plate 2 is positioned in a triangle T1 connecting a contact regions A1, B1 of a pair of protruded parts 4a of a card 4 with the moving plate 2, to a contact region C1 of a stopper 5 with the moving plate 2. The pair of protruded parts 4a of the card 4 straddle over a straight line V connecting the contact region E1 of the coil spring 3 with the moving plate 2, to a contact region D1 of a moving contact 1 and a fixed contact 6.
Inventors:
Hiroaki Hamaguchi
Naoki Kanemoto
Naoki Kanemoto
Application Number:
JP19707992A
Publication Date:
April 21, 2003
Filing Date:
July 23, 1992
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
H01H3/12; H01H13/12; H01H50/56; H01H50/64; (IPC1-7): H01H3/12; H01H13/12; H01H50/56; H01H50/64
Domestic Patent References:
| JP636635A | ||||
| JP5613635A | ||||
| JP562922U |
Attorney, Agent or Firm:
Akio Miyai
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