The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 11, 2021
Filed:
Sep. 06, 2018
Daicel Corporation, Osaka, JP;
Toshiyuki Sakai, Tokyo, JP;
Tomohide Fujiwara, Tokyo, JP;
DAICEL CORPORATION, Osaka, JP;
Abstract
The present application relates to an electric circuit breaker device and has an object to reduce in size while maintaining a required strength. The electric circuit breaker device includes, in a resin housing (), an igniter (), a rod-like projectile (), a conductor portion (), which are disposed in this order from a first end portion () of the housing toward a second end portion () opposite the first end portion in an axial direction, and an insulating closed space () between the second end portion of the housing and the conductor portion, wherein the conductor portion is a plate portion including connection portions () on both end sides; and a cut portion () at an intermediate portion, the conductor portion extending in a width direction orthogonal to a housing axial direction, the rod-like projectile is disposed to face the cut portion in the axial direction, and the cut portion includes fragile portions () formed at two locations on the second end portion side of the conductor portion, each of the fragile portions being a notch portion.