JPS6169395U

JPS6169395U -

Info

Publication number: JPS6169395U
Application number: JP15538184U
Authority: JP
Priority date: 1984-10-15
Filing date: 1984-10-15
Publication date: 1986-05-12

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す斜視図、第
２図は同断面図、第３図はこの考案の他の実施例
を示す斜視図、第４図は同断面図である。Ｈ…天井部、Ｓ，Ｓ′…屋上点検口、１，２１
…屋上点検口用ハツチ、２，２２…アンカー、３
，２３…受枠、２３ａ…受枠周側壁、４…ブラケ
ツト、５，２５…ヒンジ部材、６，２６…蓋体、
７，２７…排煙口部、８…支持アーム、９，２９
…雨水侵入防止用フード、１０…取手、１１，３
１…鎖、１２…係合片、１３…掛金、３４…弾性
緩衝材、３５…水返し、Ｇ，Ｇ′…排煙通路用間
隔。 FIG. 1 is a perspective view showing one embodiment of this invention, FIG. 2 is a sectional view thereof, FIG. 3 is a perspective view showing another embodiment of this invention, and FIG. 4 is a sectional view thereof. H...Ceiling, S, S'...Rooftop inspection port, 1, 21
...Hatch for rooftop inspection port, 2, 22...Anchor, 3
, 23... Receiving frame, 23a... Receiving frame peripheral side wall, 4... Bracket, 5, 25... Hinge member, 6, 26... Lid body,
7, 27... Smoke exhaust port, 8... Support arm, 9, 29
... Hood for preventing rainwater intrusion, 10... Handle, 11, 3
DESCRIPTION OF SYMBOLS 1... Chain, 12... Engaging piece, 13... Latch, 34... Elastic cushioning material, 35... Water return, G, G'... Spacing for smoke exhaust passage.

Claims

[Scope of claim for utility model registration] (1) A rooftop consisting of a receiving frame fixed to a rooftop inspection door opened in the ceiling of a room or staircase on the top floor of a building, and a lid attached to the receiving frame so as to be openable and closable. 1. A hatch for a rooftop inspection port, characterized in that the lid or the receiving frame is provided with a smoke exhaust port that communicates with the outside. (2) A utility model characterized in that the smoke exhaust port is covered with a hood to prevent rainwater from entering at a certain distance, and the smoke is exhausted to the outside through a smoke exhaust passage between the hood and the hood. A hatch for a rooftop inspection entrance as set forth in claim 1. (3) The smoke exhaust port has a cylindrical opening that projects upward from the center of the lid, and the hood for preventing rainwater intrusion is supported by the smoke exhaust port at a distance via a support arm to exhaust the smoke. The roof inspection hatch according to claim 2, which is a utility model, and is characterized in that it has the shape of a hat with an open lower end that covers from the upper side of the opening to the outer periphery. (4) The smoke exhaust port is opened laterally in the peripheral side wall of the receiving frame, and the hood for preventing rainwater intrusion is folded downward from the upper outer periphery of the peripheral side wall of the receiving frame to cover the outside of the smoke exhaust port with a gap. A roof inspection hatch according to claim 2 of the utility model registration claim, characterized in that: