Portable salvage lift apparatus

Details Portable salvage lift apparatus Portable salvage lift apparatus

1975-08-28

1977-02-15

Blix, Trygve M.

Brakes

Internal-resistance motion retarder

Using a rotary-type fluid damper

B16D 5706

Patent

active

040078167

ABSTRACT:
A portable salvage lift apparatus for use in an underwater environment coising a buoyancy system having a variable lift capability and a tethering system employing a brake whereby the rate of ascent of the apparatus is controlled.

REFERENCES:
patent: 3598208 (1971-08-01), Bronder

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