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Title:
BREAKER AND SAFETY CIRCUIT EQUIPPED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2019/167568
Kind Code:
A1
Abstract:
This breaker 1 is provided with: a fixed contact 21; a movable piece 4 which includes a plate-shaped and elastically deformable elastic portion 43 and a movable contact 41 disposed at one end of the elastic portion 43, and which presses the movable contact 41 into contact with the fixed contact 21; a heat-sensitive element 5 which, by deforming in accordance with a temperature change, causes the movable piece 4 to transition from a conducting state in which the movable contact 41 is in contact with the fixed contact 21 to a shutdown state in which the movable contact 41 is spaced apart from the fixed contact 21; and a case 10 in which the fixed contact 21, the movable piece 4, and the heat-sensitive element 5 are housed. The case 10 includes a side wall 11 extending in a longitudinal direction D1 of the movable piece 4. The side wall 11 includes a protrusion 14 disposed at the periphery of the heat-sensitive element 5 and protruding outside the case 10.

Inventors:
NAMIKAWA MASASHI (JP)
Application Number:
PCT/JP2019/004073
Publication Date:
September 06, 2019
Filing Date:
February 05, 2019
Export Citation:
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Assignee:
BOURNS KK (JP)
International Classes:
H01H37/04; H01H37/54
Domestic Patent References:
WO2014171515A12014-10-23
Foreign References:
JP2006100054A2006-04-13
JP3185917U2013-09-12
JP2014035993A2014-02-24
JP2014120379A2014-06-30
JP2015162448A2015-09-07
JP2014203787A2014-10-27
Attorney, Agent or Firm:
SUMITOMO SHINTARO (JP)
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