JPH0475795U

JPH0475795U -

Info

Publication number: JPH0475795U
Application number: JP12003490U
Authority: JP
Priority date: 1990-11-16
Filing date: 1990-11-16
Publication date: 1992-07-02

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す部分断面図、
第２図は第１図の変形例を示す同じく部分断面図
、第３図は第２図の正面図、第４図、第５図はそ
れぞれ第２図の変形例を示す部分断面図、側面図
である。第６図、第７図はそれぞれ公知の潜水調
査船、潜水観光船の覗窓を示す部分断面図である
。１……潜水観光船、２……バラストタンク、３
，４……両面凸レンズ、５……回動軸、６……レ
ンズ枠、７……取付金物、８……油圧モーター（
油圧又は電動モーター）、９……レンズ枠、１０
……耳軸、１１……軸受、１２……油圧モーター
、０６……覗窓、０７……耐圧殻、０８……コー
ミング、０９……窓ガラス、０１０……押さえリ
ング。 FIG. 1 is a partial sectional view showing an embodiment of the present invention;
Fig. 2 is a partial sectional view showing a modification of Fig. 1, Fig. 3 is a front view of Fig. 2, and Figs. 4 and 5 are a partial sectional view and side view showing a modification of Fig. 2, respectively. It is a diagram. FIG. 6 and FIG. 7 are partial sectional views showing viewing windows of a known diving research vessel and a diving sightseeing boat, respectively. 1... Diving sightseeing boat, 2... Ballast tank, 3
, 4...Double-sided convex lens, 5...Rotation axis, 6...Lens frame, 7...Mounting hardware, 8...Hydraulic motor (
hydraulic or electric motor), 9...lens frame, 10
... Ear shaft, 11 ... Bearing, 12 ... Hydraulic motor, 06 ... Peephole, 07 ... Pressure-resistant shell, 08 ... Coaming, 09 ... Window glass, 010 ... Holding ring.

Claims

[Scope of utility model registration request]

In a viewing window of a submarine in which a window glass is watertightly fitted into a pressure shell, the window glass is formed of a convex lens, or a convex lens supported by the pressure shell is arranged parallel to the outside of the window glass. The viewing window of a submarine, which is characterized by the fact that