TELESCOPIC DEVICE Russian patent published in 1998 - IPC

Abstract RU 2116931 C1

FIELD: shipboard gears; submarine periscopes. SUBSTANCE: telescopic device has telescopic tube and sealing glands. Out- board portion of telescopic tube is stepped; it is enclosed in fixed tube provided with pipe union, ventilation plug and flanges. EFFECT: avoidance of hoisting mechanism inside submarine; improved habitability for personnel; low cost. 1 dwg

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RU 2 116 931 C1

Authors

Zadorin S.V.

Golubentsev V.Ju.

Mar'Jasin B.L.

Dates

1998-08-10—Published

1997-04-10—Filed