JPH0253934U

JPH0253934U -

Info

Publication number: JPH0253934U
Application number: JP13174788U
Authority: JP
Priority date: 1988-10-11
Filing date: 1988-10-11
Publication date: 1990-04-18
Anticipated expiration: 2003-10-11
Also published as: JPH0630811Y2

Description

[Brief explanation of drawings]

第１図はヘルメツトの外観図、第２図はマウス
ベンチレーシヨンの平面図、第３図は第２図の
―線断面図、第４図はベースを裏面から見た平
面図、第５Ａ図はキヤツプを裏面から見た平面図
、第５Ｂ図は第５Ａ図を―線方向から見た側
面図、第６図はスイツチの側面図、第７Ａ図及び
第７Ｂ図は第２図の―線による作動説明断面
図、第８Ａ図及び第８Ｂ図は第２図の―線に
よる作動説明断面図、第９Ａ図及び第９Ｂ図は
―線線による作動説断面図、第１０図は従来例
を示す断面図である。１…帽体、２…マウスベンチレーシヨン、３…
シールド、４…ベース、５…キヤツプ、６…スイ
ツチ、８…隆起部、４ｂ…ガイド孔、４ｃ…空気
収入口、１１…軸部、１２…縁部、１４…ピン、
１６…プレート、１７…Ｌ字形孔、１９…止め部
材。 Figure 1 is an external view of the helmet, Figure 2 is a plan view of the mouth ventilation, Figure 3 is a sectional view taken along the line - - in Figure 2, Figure 4 is a plan view of the base seen from the back, and Figure 5A. Figure 5B is a side view of Figure 5A viewed from the - line direction, Figure 6 is a side view of the switch, and Figures 7A and 7B are Figures 2 and 3. FIGS. 8A and 8B are sectional views explaining the operation according to the - line in FIG. 2, FIGS. 9A and 9B are sectional views explaining the operation using the - line in FIG. FIG. 1... Cap body, 2... Mouth ventilation, 3...
Shield, 4...Base, 5...Cap, 6...Switch, 8...Protuberance, 4b...Guide hole, 4c...Air inlet, 11...Shaft, 12...Edge, 14...Pin,
16... Plate, 17... L-shaped hole, 19... Stopping member.

Claims

[Claims for Utility Model Registration] 1. A base equipped with an air intake port that is attached to the cap body of a helmet, a cap that is pivotally attached to the base and closes the air intake port, and a switch that opens and closes the cap. In the mouth ventilation for a helmet, the base is provided with a guide hole into which the switch is inserted, a pin is attached to the cap body side surface of the cap substantially parallel to the cap surface, and the switch is inserted into the mouth ventilation device. A plate with a long hole bored in a direction substantially perpendicular to the sliding direction of the switch is integrally formed on the cap body side of the switch. A mouth ventilation for a helmet, characterized in that the cap opens and closes according to the movement of the mouse. 2. A stop member is attached to a plate integrally formed with the switch, and a protrusion that contacts the stop member is formed at a position adjacent to the guide hole on the back surface of the base. Mouth ventilation for helmets.