US 11,842,865 B2
Electromagnetic contactor
Shigenori Kawashima, Konosu (JP); Yukinari Furuhata, Konosu (JP); Haruki Shoji, Saitama (JP); and Masayoshi Sakata, Yokohama (JP)
Assigned to FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD., Tokyo (JP)
Filed by FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD., Konosu (JP)
Filed on Dec. 29, 2021, as Appl. No. 17/564,760.
Application 17/564,760 is a continuation of application No. PCT/JP2020/043631, filed on Nov. 24, 2020.
Claims priority of application No. 2020-7663 (JP), filed on Jan. 21, 2020.
Prior Publication US 2022/0122790 A1, Apr. 21, 2022
Int. Cl. H01H 33/08 (2006.01); H01H 50/02 (2006.01)
CPC H01H 33/08 (2013.01) [H01H 50/02 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An electromagnetic contactor comprising:
an arc-extinguishing chamber in which a movable contact and a fixed contact are disposed;
a case having an arc-extinguishing chamber housing portion in which the arc-extinguishing chamber is housed; and
an arc-extinguishing cover mounted on the case and configured to cover the arc-extinguishing chamber housing portion, wherein
at least one of the case and the arc-extinguishing cover has a first engaging portion and a second engaging portion,
the other of the case and the arc-extinguishing cover has a third engaging portion configured to engage with the first engaging portion and the second engaging portion, and
the arc-extinguishing cover is held to the case in either a first state in which the first engaging portion and the third engaging portion are engaged with each other or a second state in which the second engaging portion is engaged with the third engaging portion.