JPH0210433U

JPH0210433U -

Info

Publication number: JPH0210433U
Application number: JP8402788U
Authority: JP
Priority date: 1988-06-24
Filing date: 1988-06-24
Publication date: 1990-01-23

Description

[Brief explanation of drawings]

第１図乃至第９図は実施例を示し、第１図はヘ
ルメツトの外観斜視図、第２図はシヤツター装置
の正面図、第３図は構成部品の展開斜視図、第４
図は第２図の―線断面図、第５図は第２図の
―線に沿うベースプレートの拡大断面図、第
６図は第２図の―線に沿うリツドの断面図、
第７図は第２図の―線拡大断面図、第８図は
第４図Ａ部の拡大断面図、第９図は第２図の―
線拡大断面図である。符号の説明、１０……ベースプレート、１１…
…ガイド部、１３……開口部、１４……溝、１５
……弾性変形部、１６……係合凸部、２０……リ
ツド、２３……スライド部、２５……係合凹部、
３０……ノブ、３３……押圧部、３４……凸部、
Ｓ_１……シエル、Ｓ_２……シヤツター装置。 1 to 9 show an embodiment, in which FIG. 1 is an external perspective view of the helmet, FIG. 2 is a front view of the shutter device, FIG. 3 is an exploded perspective view of the components, and FIG.
The figure is a sectional view taken along the line - - in Fig. 2, Fig. 5 is an enlarged sectional view of the base plate taken along the line - - in Fig. 2, and Fig. 6 is a sectional view of the lid taken along the - line in Fig. 2.
Figure 7 is an enlarged cross-sectional view of section A in Figure 2, Figure 8 is an enlarged cross-sectional view of section A in Figure 4, and Figure 9 is an enlarged cross-sectional view of section A in Figure 2.
It is a line enlarged sectional view. Explanation of symbols, 10...Base plate, 11...
...Guide portion, 13...Opening, 14...Groove, 15
...Elastic deformation part, 16...Engagement convex part, 20...Lid, 23...Sliding part, 25...Engagement concave part,
30...knob, 33...pressing part, 34...convex part,
_S1 ...Ciel, _S2 ...Shutter device.

Claims

[Scope of utility model registration request]

A base plate is formed with an opening that communicates with a ventilation hole drilled through the front and back of the shell of the helmet, and a lid is slidably attached to the base plate to open and close the opening. A shutter device comprising an engaging means capable of engaging with a base plate in at least two positions relative to the opening, an open position and a closed position, wherein the engaging part on the base plate side is provided to be elastically deformable, and the engaging part A shutter device for a helmet, characterized in that a knob is provided on the lid side for elastically deforming the lid to a state in which it is not engaged with the lid.