B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
114/48
B63B 21/44 (2006.01) B63B 21/32 (2006.01) B63B 21/40 (2006.01)
Patent
CA 1267811
ABSTRACT OF THE DISCLOSURE A marine anchor comprises a fluke with a shank attached to the fluke to enable the anchor to be joined to an anchor cable. Additionally there is provided a soil barrier plate located at the rear of the fluke but above the level of the fluke, with a soil passage between the barrier plate and the fluke. The barrier plate and the associated soil passage are arranged so as to function in a manner enabling the anchor to operate effectively and without adjustment in cohesive soils such as mud even when the fluke is set (say at an attack angle of 30°) for optimum operation in non-cohesive soils such as sand, without substant- ially detracting from the performance of the anchor in non-cohesive (sand) soils. In one embodiment the barrier member is set at a negative angle (up to 90°) relative to the fluke, while in a second embodiment a positive barrier member angle (i.e. greater than 90°) is employed but in this case the plate is located so that the soil passage defines a choke gap. A further embodiment provides a novel operating mechanism enabling the invention to be applied in a pivotting shank (Danforth) anchor.
480761
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