Patent ID: 9102390
Filing Date: 2015-08-11
Classification: B63B,B63C,B66D,G01C,G01L

Abstract:
1. An underwater elevating apparatus, which rises or descends together with a flame having an underwater observation apparatus and buoyancy bodies connected through a cable anchored to the bottom, comprising: a stopper halfway attached to the cable at a lower position than the frame; a winch provided to the frame for spooling and paying out of the cable; and a latch unit provided to the frame, having a plurality of openable and closable hooks surrounding the cable, for causing the winch to stop spooling of the cable while causing the plurality of hooks closed to seize the stopper on the basis of a trigger according to pressure and contact with the stopper by spooling thereof, and for causing the winch to start paying out of the cable from the plurality of hooks opened on the basis of the trigger by release of the stopper.