LIFTING PONTOON Russian patent published in 2019 - IPC B63C7/08 

FIELD: rescue means.

SUBSTANCE: invention relates to rescue means intended for lifting of sunken objects. Disclosed is a lifting pontoon comprising a housing of cylindrical shape with ends in the form of a truncated cone, an air box and hocks with covers, a wooden lining, installed on deck of pontoon two-arm shortstop device arranged along pontoon body, actuators of manual control covers of lower necks closing, distribution box of purging system of compartments and air box, quick flooding valves, towing eyebolts, eyebolts for lifting pontoon, eyebolts for lashing, lifeline, ladders, pontoon identification device during its towing during night time, which is made in form of LED signal light, day/night switch (photo-relay) and sealed lithium-ion battery installed inside removable rod on one of pontoon ends.

EFFECT: invention increases operating time, automates pontoon identification device on/off process, improves maintenance conditions and reduces weight and size characteristics of pontoon designation device, which improves reliability and efficiency of pontoon designation.

1 cl, 3 dwg