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公开(公告)号：US10199193B2
公开(公告)日：2019-02-05
申请号：US15688211
申请日：2017-08-28
Inventor： Masahiro Ito
IPC: H01H50/32 , H01H50/30 , H01H51/06 , H01H51/28 , H01H51/30 , H01H51/36 , H01H9/44 , H01H50/14 , H01H50/42 , H01H50/44 , H01H50/38 , H01H50/64
Abstract: An electromagnetic relay includes an electromagnet device, an armature and a fixed terminal. By coil current through a coil, the electromagnet device generates first magnetic flux that forces the armature and the electromagnet device together or apart in a first end in a first direction of the armature. The armature is connected with a movable contact at a second end of the first direction and forces the movable contact and a fixed contact together or apart according to coil current. The fixed terminal is electrically connected with the fixed contact, and provided around the armature so as to cross the armature as seen from a second direction perpendicular to the first direction with the armature closing the fixed and movable contacts. Electric current through the fixed terminal generates a second magnetic flux in the armature, a direction of which is opposite to that of the first magnetic flux.
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公开(公告)号：US11139133B2
公开(公告)日：2021-10-05
申请号：US16477136
申请日：2018-01-11
Inventor： Ryosuke Ozaki , Shinya Kimoto , Kazuhiro Kodama , Seiya Sakaguchi , Yasutaka Hieda , Masahiro Ito , Hideki Watanabe
Abstract: A first conductive member is fixed to a first fixed terminal having a longitudinal direction, and a second conductive member is fixed to a second fixed terminal having a longitudinal direction. The first fixed terminal and the second fixed terminal are fixed to a partition member. A first extension portion of the first conductive member includes a first opposed portion opposed to at least one of the first fixed terminal at a first fixed contact side of the partition member. The first opposed portion extends in the longitudinal direction of the first fixed terminal.
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公开(公告)号：US10991532B2
公开(公告)日：2021-04-27
申请号：US16103323
申请日：2018-08-14
Inventor： Masahiro Ito , Tsukasa Nishimura
Abstract: A contact device includes: a contact block which includes a fixed contact, and a movable contactor including a movable contact formed to come into and out of contact with the fixed contact; a driving block including a driving shaft which moves the movable contactor, the driving block configured to drive the driving shaft so that the movable contact can come into and out of contact with the fixed contact; and a yoke disposed on one side of the movable contactor in a driving direction and fixed to the movable contactor. One of the yoke and the movable contactor includes a projection projected to the driving direction, and the other of the yoke and the movable contactor includes an insertion hole in which to insert the projection.
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公开(公告)号：US10090127B2
公开(公告)日：2018-10-02
申请号：US14392130
申请日：2014-06-27
Inventor： Masahiro Ito , Tsukasa Nishimura
Abstract: A contact device includes: a contact block which includes a fixed terminal including a fixed contact formed thereon, and a movable contactor including a movable contact formed thereon; and a driving block including a driving shaft to which the movable contactor is attached, the driving block configured to drive the movable contactor. The contact block includes: a biasing portion configured to bias the movable contactor toward one side in a driving shaft direction; and a yoke disposed at least on an opposite side of the movable contactor in the driving shaft direction while the movable contact is in contact with the fixed contact. The biasing portion includes a biasing end configured to make biasing force act on the movable contactor by pressing a member other than the yoke.
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