Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Patent
1975-06-13
1977-08-16
Marbert, James B.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Locking device
214147G, 294106, B66C 1314
Patent
active
040422720
ABSTRACT:
The invention relates to an hydraulic octopus grab having a distributor head to which are pivoted in star formation grab blades and corresponding hydraulic operating cylinders. The distributor head is suspended at the bottom of a shaft which is positively rotatable by hydraulic means within a rotary head having a suspension eye mounted thereto at its upper end for suspending the grab.
REFERENCES:
patent: 3294435 (1966-12-01), Johnson et al.
patent: 3384409 (1968-06-01), Guinot
patent: 3877743 (1975-04-01), Johnson
patent: 3914886 (1975-10-01), Berg et al.
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