JPS587137U

JPS587137U - Projection lens mounting mount for horizontal projector

Info

Publication number: JPS587137U
Application number: JP10019781U
Authority: JP
Inventors: 中根　邦雄
Original assignee: 株式会社ニコン
Priority date: 1981-07-07
Filing date: 1981-07-07
Publication date: 1983-01-18

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

[Brief explanation of the drawing]

第１図は本考案の取付マウントを有する横型投影機の外
形図、第２図は第１図の取付マウントの７拡大断面図、
第３図は第２図のＡ−Ａ矢視断面図、第４図は第３図の
Ｂ矢視拡大断面図である。 −〔主要部分の符号の説明〕、９・・・・・・投影機本
体、−２・・・・・・マウント板、３・・・・・・締付
棒、４・・・・・・クリック棒、１・・・・・・投影レ
ンズ、６・・・・・・スプリング、５・・・・・・締付
棒、７・・・・・・押え環。Fig. 1 is an external view of a horizontal projector having the mounting mount of the present invention, Fig. 2 is an enlarged sectional view of the mounting mount of Fig. 1,
3 is a sectional view taken along the line A-A in FIG. 2, and FIG. 4 is an enlarged sectional view taken along the line B in FIG. - [Explanation of symbols of main parts], 9...Projector main body, -2...Mount plate, 3...Tightening rod, 4... Click rod, 1...projection lens, 6...spring, 5...tightening rod, 7...presser ring.

Claims

[Scope of utility model registration request]

In a horizontal projector in which a photographing lens can be attached to and removed from a mount plate, a ring-shaped mount plate is fixed to the projector body and cylindrically mated with the projection lens, and the ring-shaped mount plate is rotatably mated along the outer periphery of the mount plate, and the projection lens is rotated along the outer circumference of the mount plate. The projection lens has a tightening ring that is eccentric with respect to the optical axis of the lens, and protrusions that are movably provided in a plurality of equally spaced guide holes penetrating from the outer circumference to the inner circumference of the mount plate to prevent removal. and a plurality of click rods biased by a spring in the direction of the optical axis, and when the tightening ring is inserted into the plurality of click rods, the plurality of click rods protrude outward from the mount plate, and are always in contact with the tightening ring. A mounting mount for a projection lens, characterized in that it includes a click bar that comes into contact with an inner circumferential surface.