Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Cable and hook tackle
Patent
1993-02-02
1994-10-18
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Cable and hook tackle
B66C 136
Patent
active
053561899
ABSTRACT:
A line laying device for lowering a chain into a body of water wherein the chain is secured at one end to a surface vessel includes a pair of claws pivotally coupled to each other for engaging an intermediate link of the chain. A pivoted lock on one of the claws engages a shoulder on the other claw to maintain the claws in clamping engagement on the link until such time as the chain is lowered to the point where the chain is substantially vertically extended whereupon an adjacent link above the link engaged by the claws will pivot about the link engaged by the claws into engagement with the pivoted locking member to disengage the locking member from the shoulder thereby allowing the claws to be disengaged from the link and retrieved by means of a wire rope secured to one end of one of the claws.
REFERENCES:
patent: 1181000 (1916-04-01), Gregg
patent: 1962130 (1934-06-01), Berkey
patent: 2978766 (1961-04-01), Arnett
patent: 2998277 (1961-08-01), Himel
patent: 3539217 (1970-11-01), Skekely
patent: 3722943 (1973-03-01), Kalua
patent: 4151708 (1979-05-01), Smetz
Cherry Johnny D.
Petroleo Brasileiro S.A.
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