US 12,224,142 B2
Breaker device
Masato Nakamura, Hyogo (JP); Shun Ito, Hyogo (JP); and Shinya Kimoto, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Appl. No. 18/701,878
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
PCT Filed Jul. 27, 2023, PCT No. PCT/JP2023/027522
§ 371(c)(1), (2) Date Apr. 16, 2024,
PCT Pub. No. WO2024/134956, PCT Pub. Date Jun. 27, 2024.
Claims priority of application No. 2022-206460 (JP), filed on Dec. 23, 2022.
Prior Publication US 2024/0371589 A1, Nov. 7, 2024
Int. Cl. H01H 71/10 (2006.01); H01H 71/02 (2006.01)
CPC H01H 71/10 (2013.01) [H01H 71/02 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A breaker device comprising:
a casing;
an igniter configured to generate gas;
a pusher located inside the casing, positioned below the igniter and having an outer side surface;
a conductor including a separating portion positioned below the pusher; and
an elastic member having an inner surface and disposed to be positioned between the casing and the pusher to press the outer side surface of the pusher, wherein:
in a state where the pusher is stationary after the pusher moves the separating portion downward under a pressure of the gas generated by the igniter,
the pusher is located at a level below the elastic member, and
the inner surface of the elastic member overlaps the pusher as viewed from above.