JPS6076297U - Dustproof hood for optical equipment - Google Patents
Dustproof hood for optical equipmentInfo
- Publication number
- JPS6076297U JPS6076297U JP16809883U JP16809883U JPS6076297U JP S6076297 U JPS6076297 U JP S6076297U JP 16809883 U JP16809883 U JP 16809883U JP 16809883 U JP16809883 U JP 16809883U JP S6076297 U JPS6076297 U JP S6076297U
- Authority
- JP
- Japan
- Prior art keywords
- hood
- purge gas
- optical equipment
- outer cylinder
- dustproof hood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Prevention Of Fouling (AREA)
- Details Of Measuring And Other Instruments (AREA)
- Lens Barrels (AREA)
- Blocking Light For Cameras (AREA)
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図および第２図はいずれも従来の防塵フードの断面
図、第３図は本考案実施例の斜視図、第４図は第３図の
ＩＶ−ＩＶ線矢視断面図、第５図は本考案実施例におけ
るフード内の圧力分布を図示した模式断面図である。
２・・・光学機器、８・・・パージ気体、１４・・・外
筒、１６・・・内筒、１７・・・光、１８・・・多孔板
、２０・・・後板、２２・・・パージ気体室、２４・・
・ノズル。Fig. 1 and Fig. 2 are both sectional views of a conventional dustproof hood, Fig. 3 is a perspective view of an embodiment of the present invention, Fig. 4 is a sectional view taken along the line IV-IV in Fig. 3, and Fig. 5. FIG. 2 is a schematic cross-sectional view showing the pressure distribution inside the hood in the embodiment of the present invention. 2... Optical equipment, 8... Purge gas, 14... Outer cylinder, 16... Inner cylinder, 17... Light, 18... Perforated plate, 20... Rear plate, 22... ...Purge gas chamber, 24...
·nozzle.
Claims (1)
、前記外筒および内筒とパージ気体室を形成する如く前
後に設けられた環状の多孔板および後板と、吹込んだパ
ージ気体が前記パージ気体室を円周方向に旋回する如く
前記外筒に取付けられたノズルと、を有して成ることを
特徴とする光学機器用防塵フード。A hood consisting of an outer cylinder and an inner cylinder through which light can pass through the center, an annular perforated plate and a rear plate provided at the front and rear so as to form a purge gas chamber with the outer cylinder and the inner cylinder, and a hood through which the blown purge gas is blown. A dustproof hood for an optical device, comprising: a nozzle attached to the outer cylinder so as to rotate in the circumferential direction of the purge gas chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16809883U JPS6076297U (en) | 1983-10-29 | 1983-10-29 | Dustproof hood for optical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16809883U JPS6076297U (en) | 1983-10-29 | 1983-10-29 | Dustproof hood for optical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6076297U true JPS6076297U (en) | 1985-05-28 |
Family
ID=30367581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16809883U Pending JPS6076297U (en) | 1983-10-29 | 1983-10-29 | Dustproof hood for optical equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6076297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002065183A1 (en) * | 2001-02-14 | 2002-08-22 | Nikon Corporation | Lens-barrel, exposure device, and method of manufacturing device |
| JP2015111240A (en) * | 2013-11-08 | 2015-06-18 | パナソニックＩｐマネジメント株式会社 | Lens hood and imaging apparatus |
-
1983
- 1983-10-29 JP JP16809883U patent/JPS6076297U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002065183A1 (en) * | 2001-02-14 | 2002-08-22 | Nikon Corporation | Lens-barrel, exposure device, and method of manufacturing device |
| JP2015111240A (en) * | 2013-11-08 | 2015-06-18 | パナソニックＩｐマネジメント株式会社 | Lens hood and imaging apparatus |
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