Title:
CIRCUIT BREAKER
Document Type and Number:
Japanese Patent JP2022138967
Kind Code:
A
Abstract:
To provide a circuit breaker which can more surely extinguish an arc.SOLUTION: A circuit breaker 10 includes: a pair of rod-like members 34 which are interlocked to a mover 20 and have mutually approaching tip parts during opening operation; a plate spring 42 which connects upper ends of a pair of resin plates 36 provided on the pair of rod-like members 34 and the rod-like members 34, and is pressed by a first pressing part 20a of the mover 20 during the opening operation; and a shaft 40 which holds the plate spring 42 in any one of a first elastic deformation state of projecting upward and a second elastic deformation state of projecting downward. During the opening operation, the pair of resin plates 36 are moved between a fixing contact point 14 and a movable contact point 18, and opposite edges 36a come in contact with each other.SELECTED DRAWING: Figure 5
Inventors:
TABATA YUTAKA
NAGAMINE KAZUTERU
NAGAMINE KAZUTERU
Application Number:
JP2021039151A
Publication Date:
September 26, 2022
Filing Date:
March 11, 2021
Export Citation:
Assignee:
FUJI ELECTRIC CO LTD
FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO LTD
FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO LTD
International Classes:
H01H9/32; H01H73/18
Attorney, Agent or Firm:
Sakai International Patent Office