JPS6065536U

JPS6065536U - Air vent

Info

Publication number: JPS6065536U
Application number: JP15793483U
Authority: JP
Inventors: 石渡　守
Original assignee: 株式会社長谷川工務店
Priority date: 1983-10-14
Filing date: 1983-10-14
Publication date: 1985-05-09

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は断面図、第２図は一部切欠正面図、第３図は作
動状態を示す断面図、第４図は他の実施例を示す斜視図
である。１・・・換気筒体、１ａ・・・先端開口部、２，１２・
・・吹出口部、４・・・支持軸、５，１５・・・防火蓋
体、５ａ・・・蓋体の背面、６・・・支持パイプ、８・
・・ばね、１１・・・ヒユーズ。1 is a sectional view, FIG. 2 is a partially cutaway front view, FIG. 3 is a sectional view showing an operating state, and FIG. 4 is a perspective view showing another embodiment. 1... Ventilation cylinder, 1a... Tip opening, 2, 12.
... Air outlet part, 4... Support shaft, 5, 15... Fireproof lid body, 5a... Back side of lid body, 6... Support pipe, 8.
...Spring, 11...Fuse.

Claims

[Scope of utility model registration request]

(1) A ventilation cylinder, and a fireproof lid located outside the tip of the ventilation cylinder, whose opening can be opened and closed, and supported by a support shaft that is movable in the axial direction of the ventilation cylinder. means for supporting the support shaft on the ventilation cylinder; a spring that applies a spring force to the support shaft in a direction in which the fireproof cover closes the opening at the top of the cylinder; and a spring that resists the spring force of the spring. and a fuse for holding the support shaft in position.

(2) Utility Model Registration Claim 1: The ventilation opening according to claim 1, characterized in that the fireproof cover has a spherical shape on the back side.