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:
Jul. 13, 2021

Filed:

Dec. 11, 2018
Applicant:

Schott Japan Corporation, Koka, JP;

Inventors:

Eigo Kishi, Koka, JP;

Akira Nakanishi, Koka, JP;

Tamotsu Wakabayashi, Koka, JP;

Tokihiro Yoshikawa, Koka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 85/055 (2006.01); H01H 85/041 (2006.01); H01H 85/06 (2006.01); H01H 85/143 (2006.01); H01H 85/17 (2006.01); H01H 85/175 (2006.01);
U.S. Cl.
CPC ...
H01H 85/055 (2013.01); H01H 85/041 (2013.01); H01H 85/06 (2013.01); H01H 85/143 (2013.01); H01H 85/17 (2013.01); H01H 85/175 (2013.01); H01H 2235/01 (2013.01);
Abstract

The temperature sensitive pellet type thermal fuse includes: a conductive envelope having an opening at a first end; a temperature sensitive device housed inside the envelope; a first lead which is installed in the opening of the envelope and has a fixed contact; a second lead connected to a second end of the envelope; a movable contact housed in the envelope; and a weak compression spring housed in the envelope. The temperature sensitive device includes a cylindrical case having an open end which may be arranged at the side of the first lead, a temperature sensitive material housed in the cylindrical case, and a strong compression spring configured to press against the temperature sensitive material.


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