Implements or apparatus for applying pushing or pulling force – Step-by-step traveling bar – Pawl actuated
Patent
1973-09-07
1976-04-06
Spar, Robert J.
Implements or apparatus for applying pushing or pulling force
Step-by-step traveling bar
Pawl actuated
60413, B66D 150
Patent
active
039484866
ABSTRACT:
This device comprises in combination means for passive compensation of the alternating movements of the installation, comprising at least one articulated jack connected to a source of pressurized fluid, and complementary means for fine compensation, these complementary means activating the passive compensating means in response to the variation of a parameter which characterizes the movements of the installation.
REFERENCES:
patent: 3309065 (1967-03-01), Prad'Homme et al.
patent: 3487750 (1970-01-01), Borgeson
patent: 3593824 (1971-07-01), Gregory
patent: 3653635 (1972-04-01), Bates, Jr.
patent: 3693939 (1972-09-01), Buckson
patent: 3721293 (1973-03-01), Ahlstone et al.
patent: 3788074 (1974-01-01), Castela et al.
patent: 3793835 (1974-02-01), Larralde
Holub Serge
Joubert Philippe
Jourdan Gerard
Institut Francaise du Petrole, des Carburants et Lubrifiants
Noland Kenneth
Spar Robert J.
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