1978-04-20
1981-01-06
Blix, Trygve M.
Ships
Anchor trippers
B63B 2122
Patent
active
042429773
ABSTRACT:
An anchor guide comprises an elongated tube which is slidable axially inside a collar hinged to a bracket attached to a boat deck. A boat anchor is secured to an anchor line which passes through the tube and over a roller located inside the tube immediately above the hinge axis of the collar. The anchor is retrieved by pulling on the anchor line to pull the shank of the anchor into the tube until the body of the anchor strikes the bottom of the tube, after which continued tension on the anchor line pivots the collar about the hinge axis to lift the tube and the anchor, while causing the tube and anchor to slide through the collar toward the boat deck, reducing the amount of force required to lift the anchor. In one embodiment, the top edge of the collar and the working surface of the roller are sufficiently close to the hinge axis of the collar that the tube can remain in an essentially vertical position until the shank of the anchor is inside the tube, which reduces the chance of the anchor catching on the tube as the anchor is being pulled into the tube. In another embodiment, the roller is freely rotatable about its axis, as well as being movable longitudinally and angularly relative to the tube, which facilitates pulling a chain-type anchor line over the roller without the links of the chain catching on the roller.
REFERENCES:
patent: 719124 (1903-01-01), Marshall
patent: 2686155 (1954-08-01), Willis
patent: 3509847 (1970-05-01), Persinger
patent: 3675608 (1972-07-01), Webb
Blix Trygve M.
Douglas Winston H.
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