JPH0436714U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の一実施例の部分断面図、第
２図はその分解斜視図、第３図はそのレンズ筒の
部分正面図、第４図はそのレンズの部分断面図、
第５図および第６図はその部分断面図、第７図は
従来からある照明器具の断面図、第８図は従来例
の部分断面図である。 １０……レンズ筒、１１……突部、１３……レ
ンズ、１４……テーパ面、１５……押圧手段。 Fig. 1 is a partial sectional view of an embodiment of the invention, Fig. 2 is an exploded perspective view thereof, Fig. 3 is a partial front view of the lens barrel, and Fig. 4 is a partial sectional view of the lens.
5 and 6 are partial sectional views thereof, FIG. 7 is a sectional view of a conventional lighting fixture, and FIG. 8 is a partial sectional view of a conventional example. 10... Lens tube, 11... Projection, 13... Lens, 14... Tapered surface, 15... Pressing means.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 端部の内周面に端面側が内向きに突出したテー
パ状の突部を形成したレンズ筒と、このレンズ筒
の端部に内嵌し外周面に前記突部に沿いかつ前記
突部より傾斜角の小さいテーパ面を形成したレン
ズと、このレンズを前記レンズ筒の端面方向に押
圧する押圧手段とを備えた照明器具。 A lens barrel having a tapered protrusion formed on the inner circumferential surface of the end with the end surface side protruding inward; and a lens barrel that is fitted inside the end of the lens barrel and has an outer circumferential surface along the protrusion and inclined from the protrusion. A lighting device comprising a lens having a tapered surface with a small angle, and a pressing means for pressing the lens toward an end surface of the lens barrel.