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Title:
TWO-WAY VARIABLE TYPE PRESSURE SWITCH
Document Type and Number:
Japanese Patent JPS6410536
Kind Code:
A
Abstract:

PURPOSE: To improve the anti-vibration property and the durability of the contact by carrying out all the connection and disconnection of the contact of a pressure switch with a snapping force, and using no coil spring for the cutting off in a low pressure.

CONSTITUTION: When the pressure of a refrigerating system is out of order reaching to an abnormal low pressure, the second snap disk 36 returns to the first shape from the second shape. As a result, a holding member 30 moves upward sliding within a case, and a central projection 34 stops to press the first stretch lever 26. And by the restoring force of the first stretch lever 26 which is biased beforehand, the first variable contact 27 at the tip of the first stretch lever 26 is separated from the second variable contact 29.


Inventors:
Tanaka, SO
Sasaki, Keiji
Suzuki, Heikichi
Application Number:
JP1987000165882
Publication Date:
January 13, 1989
Filing Date:
July 02, 1987
Export Citation:
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Assignee:
FUJI KOKI SEISAKUSHO:KK
International Classes:
H01H35/34; H01H35/26; H01H5/30; (IPC1-7): H01H35/34
Domestic Patent References:
JPS61230224A
JPS61127544U



 
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