US 11,955,302 B2
Electromagnetic relay having embedded contact flush to terminal surface
Kohei Otsuka, Omuta (JP); Ryota Minowa, Yamaga (JP); Hiroyuki Iwasaka, Kamimashiki (JP); Yasuo Hayashida, Kumamoto (JP); Shingo Mori, Yamaga (JP); and Naoki Kawaguchi, Yame (JP)
Assigned to OMRON CORPORATION, Kyoto (JP)
Appl. No. 17/262,217
Filed by OMRON CORPORATION, Kyoto (JP)
PCT Filed Feb. 18, 2019, PCT No. PCT/JP2019/005933
§ 371(c)(1), (2) Date Jan. 22, 2021,
PCT Pub. No. WO2020/044607, PCT Pub. Date Mar. 5, 2020.
Claims priority of application No. 2018-158999 (JP), filed on Aug. 28, 2018.
Prior Publication US 2021/0304991 A1, Sep. 30, 2021
Int. Cl. H01H 50/54 (2006.01); H01H 50/14 (2006.01); H01H 50/56 (2006.01); H01H 50/60 (2006.01)
CPC H01H 50/14 (2013.01) [H01H 50/546 (2013.01); H01H 50/56 (2013.01); H01H 50/60 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An electromagnetic relay comprising:
a first fixed terminal including a first surface;
a second fixed terminal including a second surface, the second fixed terminal being disposed apart from the first fixed terminal;
a movable contact piece including a third surface disposed to face the first surface and the second surface;
a first fixed contact embedded in the first fixed terminal to be flush with the first surface;
a second fixed contact protruding from the second surface of the second fixed terminal toward the third surface;
a first movable contact disposed to face the first fixed contact, the first movable contact being contactable with the first fixed contact, the first movable contact protruding from the third surface toward the first surface;
a second movable contact disposed to face the second fixed contact, the second movable contact being contactable with the second fixed contact, the second movable contact being embedded in the movable contact piece to be flush with the third surface;
a drive shaft integrally movably connected to the movable contact piece; and
an electromagnetic drive device configured to move the drive shaft in a contact direction in which the first fixed contact and the first movable contact come into contact with each other and the second fixed contact and the second movable contact come into contact with each other, and in a separation direction in which the first fixed contact and the first movable contact are separated from each other and the second fixed contact and the second movable contact are separated from each other,
wherein
the first fixed contact and the second movable contact are cathode contacts.