Device for lowering a load, for example a diving bell from a ves

Details Device for lowering a load, for example a diving bell from a ves Device for lowering a load, for example a diving bell from a ves

1978-03-30

1979-05-22

Spar, Robert J.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

212 3R, B66D 148

Patent

active

041555384

ABSTRACT:
A device for lowering a load for example a diving bell from a vessel from a spot above the water line to a spot beneath the water line, comprising a winch and a cable connected with the load and moved by said winch along at least one cable pulley rotatable about a shaft. In order to prevent that the cable becomes alternately slack and taut during contact of the load with the water, it is proposed to constantly maintain the taut state of the cable by placing the shaft of the pulley parallel to itself and connecting it with the plunger rod of a plunger cylinder provided with an accumulator.

REFERENCES:
patent: 3311351 (1967-03-01), Blakely
patent: 3343810 (1967-09-01), Parnell
patent: 3804183 (1974-04-01), Duncan et al.
patent: 3871527 (1975-03-01), Schimmeyer et al.

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