Adjustable strength anchor

Ships – Anchor – With dislodgement means

Patent

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Details

B63B 2144

Patent

active

040056716

ABSTRACT:
A hollow elongated cylinder has a cup with a central opening at one end and is open at the other. A plurality of equidistantly spaced like slots are cut into the cylinder wall and extend for a short distance in the axial direction from the other end toward the cap. An elongated bar parallel to the axis of the cylinder is secured to the inner wall of the cylinder, one end of the bar being adjacent the cap, the other end of the bar being adjacent the slots. A threaded bolt is aligned with the axis of the cylinder and is disposed therein, the head of the bolt being alignable with the slots, the end of the bolt extending through the opening of the cap. An eye is secured to the exposed end of the bolt. A flat circular disc has a central threaded bore threadedly engaged by said bolt, the disc being disposed in the cylinder and having a diameter slightly smaller than that of the interior of the cylinder. The disc has a portion cut away whereby the disc bears against the bar slidably but non-rotatably. A coil spring is disposed concentrically about the bolt inside the cylinder, one end of the spring bearing against the cap, the other end of the spring bearing against the disc. Each of a plurality of elongated arms extends through a corresponding slot, one end of each arm being disposed within the cylinder and engagable by said bolt head, a major portion of each arm extending outside of the cylinder. A like plurality of devices are disposed outside the cylinder, each device being aligned with a corresponding slot and pivotally securing each arm to said cylinder at a point intermediate its ends but adjacent the one end of the arm.

REFERENCES:
patent: 2629357 (1953-02-01), Jones
patent: 2985132 (1961-05-01), Detrick
patent: 3206153 (1965-09-01), Burk
patent: 3747553 (1973-07-01), Riddle

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