Remotely operated tool for performing functions under water

Details Remotely operated tool for performing functions under water Remotely operated tool for performing functions under water

1981-12-14

1984-04-17

Purser, Ernest R.

Hydraulic and earth engineering

Diving

Remote control

166340, 166342, 294 8615, B63C 1152, E21B 2304

Patent

active

044431309

ABSTRACT:
Remotely operated tool for performing functions at underwater installations. Tools according to the invention are especially useful for remote retrieval and installation of wireline bushings in hollow guide posts. Particularly advantageous embodiments of the tool are fluid pressure operated, include means for performing at least two functions, successively, and respond to a single pressure fluid input rather than requiring successive inputs.

REFERENCES:
patent: 3268239 (1966-08-01), Castor
patent: 3302709 (1967-02-01), Postlewaite
patent: 3695350 (1972-10-01), Petersen
patent: 3709291 (1973-01-01), Hanes
patent: 3987741 (1976-10-01), Tryon

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