Under-ice traveling shelter system

Details Under-ice traveling shelter system Under-ice traveling shelter system

1977-07-13

1979-06-05

Stein, Mervin

Hydraulic and earth engineering

Diving

114312, 180 1H, B63C 1100

Patent

active

041572297

ABSTRACT:
A slightly negatively buoyant personnel-accommodating chamber is suspended from a pair of buoyant-link flexible drive loops engaging the under surface of an ice cover over the body of water in which the chamber is submerged. Propulsion of the chamber can be effectuated through the medium of a power driven sprocket wheel arrangement that propels the chamber along the buoyant drive loops which in turn are caused to "roll" along the under surface of the ice.

REFERENCES:
patent: 1523660 (1925-01-01), Reno
patent: 2327012 (1943-08-01), Bright
patent: 3543526 (1970-12-01), O'Neill et al.
patent: 3568454 (1971-03-01), Itami
patent: 3709184 (1973-01-01), Laney

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