JPS59104131U

JPS59104131U - dustproof filter

Info

Publication number: JPS59104131U
Application number: JP1982195788U
Authority: JP
Inventors: 横浜　優
Original assignee: 富士通株式会社
Priority date: 1982-12-28
Filing date: 1982-12-28
Publication date: 1984-07-13

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 drawings]

第１図は本考案による防塵フィルタの一実施例を搭載し
た光学装置の外観斜視図、第２図は第１図の光学装置の
カバーを外した状態を示す図、第３図は防塵フィルタの
全体構成図である。１・・・光学装置、１ａ・・・レンズ部、２・・・カバ
ー、３・・・円板（透明板）、４・・・レバー（コーテ
ィング剥取機構）、５・・・駆動装置、６・・・コーテ
ィング、７・・・モータ、８・・・出力軸、９．　１０
．　１１．　１２゜１３・・・ギヤー、１４・・・軸。Fig. 1 is an external perspective view of an optical device equipped with an embodiment of the dustproof filter according to the present invention, Fig. 2 is a view showing the optical device shown in Fig. 1 with the cover removed, and Fig. 3 is a view of the dustproof filter. It is an overall configuration diagram. DESCRIPTION OF SYMBOLS 1... Optical device, 1a... Lens part, 2... Cover, 3... Disk (transparent plate), 4... Lever (coating peeling mechanism), 5... Drive device, 6... Coating, 7... Motor, 8... Output shaft, 9. 10
．． 11. 12゜13...gear, 14...shaft.

Claims

[Scope of utility model registration request]

A transparent plate coated with a coating and rotatably disposed on the front side of a lens portion of an optical device, a mechanism for peeling off the coating of the transparent plate, and a mechanism for removing the coating from the transparent plate and the coach interface are driven as needed to remove the transparent plate. A dust-proof filter comprising: a drive device for removing a portion of the coating of the plate and moving the clean area of the transparent plate from which the coating has been removed to the front surface of the lens portion.