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.

Date of Patent:
Apr. 06, 2021

Filed:

Sep. 06, 2018
Applicant:

Daicel Corporation, Osaka, JP;

Inventor:

Toshiyuki Sakai, Tokyo, JP;

Assignee:

DAICEL CORPORATION, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 39/00 (2006.01);
U.S. Cl.
CPC ...
H01H 39/006 (2013.01); H01H 2039/008 (2013.01);
Abstract

An electric circuit breaker device includes in a housing, an igniter, a rod-like projectile, and a conductor portion configured to form a portion of an electric circuit disposed in a cylindrical space formed in the housing; and an insulating closed space formed between a second end portion of the housing and the conductor portion. The conductor portion is a plate portion having first and second connection portions at opposing ends and a cut portion in an intermediate portion between the first and second connection portions. A surface of the cut portion is orientated orthogonal to the housing axial direction; the rod-like projectile is disposed aligned with a surface of the cut portion in the housing axial direction; and a width (W) of the insulating closed space and a width (W) of an end portion of the rod-like projectile have relationships W>Wand W−W≤0.25 mm.


Find Patent Forward Citations

Loading…