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Patent Searching and Data


Title:
Protection instrument
Document Type and Number:
Japanese Patent JP6117106
Kind Code:
B2
Abstract:
A protection device comprises a resin base, PTC component, bimetal component, arm and upper plate which are housed in a resin housing wherein the base includes a terminal integrated with the base by insert molding. A resin cover is formed by insert molding to cover the PTC component, bimetal component, arm and upper plate which are superposed in this order over the terminal within a space in the base. The space in the resin base is substantially closed by the upper plate, the base and the cover are integrally bonded to define the resin housing, the terminal and the arm are electrically connected in series in a normal state, and in an abnormal state where the bimetal component is activated, the terminal and the arm are electrically cut off, while the terminal, PTC component, bimetal component, and arm are electrically connected in series in this order.

Inventors:
Hiroshi Mochizuki
Suzuki Katsuaki
Shin Tanaka
Application Number:
JP2013539701A
Publication Date:
April 19, 2017
Filing Date:
October 19, 2012
Export Citation:
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Assignee:
littelfuse Japan GK
International Classes:
H01H37/54; H01H11/00; H01H37/04
Domestic Patent References:
JP2005129471A
JP2005174816A
JP2011134624A
JP2005285604A
Attorney, Agent or Firm:
Samejima Mutsumi
Keiichi