Method and device for withdrawing an element fastened to a mobil

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum

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254900, B66D 100

Patent

active

055203698

ABSTRACT:
A method and device for withdrawing an element fastened to a mobile installation from the influence of the movements of this installation. The device comprises at least one actuating cylinder, at least one accumulator and several pulleys, are determined so that the mechanical and hydro-pneumatic forces are substantially equal.

REFERENCES:
patent: 3743249 (1973-07-01), van Daalen
patent: 3788073 (1974-01-01), Castela
patent: 3788074 (1974-01-01), Castela
patent: 3791628 (1974-02-01), Burns et al.
patent: 3912227 (1975-10-01), Meeker et al.
patent: 4155538 (1979-05-01), Claasen
patent: 4421173 (1983-12-01), Beakley et al.
patent: 4470355 (1984-09-01), Kunczynski
patent: 4552339 (1985-11-01), Werners et al.

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