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. 07, 2024
Filed:
Sep. 26, 2020
Hochiki Corporation, Shinagawa-ku, JP;
HOCHIKI Corporation, Tokyo, JP;
Abstract
A fire detection apparatusA includes a heat detection unitA provided such that a part of the heat detection unitA is accommodated in an outer coverA and another part of the heat detection unitA is exposed to an outside of the fire detection apparatusA through an insertion holeA formed in a top surface portionA, and a guard portionA which is provided to cover a periphery of the insertion holeA and another part of the heat detection unitA in the top surface portionA and has a plurality of ribs, in which a material of a rib corresponding to a first guard side ribA among the plurality of ribs is made different from a material of some other ribs, or a shape of the first guard side ribA among the plurality of ribs is made different from a shape of some other ribs.